10156405120063 has 4 divisors (see below), whose sum is σ = 10156419616408. Its totient is φ = 10156390623720.

The previous prime is 10156405120021. The next prime is 10156405120067. The reversal of 10156405120063 is 36002150465101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10156405120063 - 2²⁵ = 10156371565631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10156405120067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140856 + ... + 7617277.

It is an arithmetic number, because the mean of its divisors is an integer number (2539104904102).

Almost surely, 2^{10156405120063} is an apocalyptic number.

10156405120063 is a deficient number, since it is larger than the sum of its proper divisors (14496345).

10156405120063 is an equidigital number, since it uses as much as digits as its factorization.

10156405120063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496344.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 10156405120063 its reverse (36002150465101), we get a palindrome (46158555585164).

The spelling of 10156405120063 in words is "ten trillion, one hundred fifty-six billion, four hundred five million, one hundred twenty thousand, sixty-three".