126376252515 has 16 divisors (see below), whose sum is σ = 224668893600. Its totient is φ = 67400667936.

The previous prime is 126376252507. The next prime is 126376252523. The reversal of 126376252515 is 515252673621.

It is a happy number.

126376252515 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 7 + 625 + 2 + 5 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (126376252507) and next prime (126376252523).

It is not a de Polignac number, because 126376252515 - 2³ = 126376252507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468060060 + ... + 468060329.

It is an arithmetic number, because the mean of its divisors is an integer number (14041805850).

Almost surely, 2^126376252515 is an apocalyptic number.

126376252515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126376252515 is a deficient number, since it is larger than the sum of its proper divisors (98292641085).

126376252515 is an equidigital number, since it uses as much as digits as its factorization.

126376252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936120403 (or 936120397 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 126376252515 in words is "one hundred twenty-six billion, three hundred seventy-six million, two hundred fifty-two thousand, five hundred fifteen".