120150311420655 has 24 divisors (see below), whose sum is σ = 209758817071440. Its totient is φ = 63619157698560.

The previous prime is 120150311420617. The next prime is 120150311420719. The reversal of 120150311420655 is 556024113051021.

120150311420655 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 503 + 1 + 142 + 0 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 120150311420655 - 2²² = 120150307226351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9604335186 + ... + 9604347695.

It is an arithmetic number, because the mean of its divisors is an integer number (8739950711310).

Almost surely, 2^{120150311420655} is an apocalyptic number.

120150311420655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120150311420655 is a deficient number, since it is larger than the sum of its proper divisors (89608505650785).

120150311420655 is a wasteful number, since it uses less digits than its factorization.

120150311420655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19208683031 (or 19208683028 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 120150311420655 its reverse (556024113051021), we get a palindrome (676174424471676).

The spelling of 120150311420655 in words is "one hundred twenty trillion, one hundred fifty billion, three hundred eleven million, four hundred twenty thousand, six hundred fifty-five".