156210250550431 has 48 divisors (see below), whose sum is σ = 195940648558080. Its totient is φ = 120986091596160.

The previous prime is 156210250550317. The next prime is 156210250550477. The reversal of 156210250550431 is 134055052012651.

It is not a de Polignac number, because 156210250550431 - 2²¹ = 156210248453279 is a prime.

It is a super-2 number, since 2×156210250550431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156210250554431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11958215206 + ... + 11958228268.

It is an arithmetic number, because the mean of its divisors is an integer number (4082096844960).

Almost surely, 2^{156210250550431} is an apocalyptic number.

156210250550431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156210250550431 is a deficient number, since it is larger than the sum of its proper divisors (39730398007649).

156210250550431 is a wasteful number, since it uses less digits than its factorization.

156210250550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18616 (or 18443 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 156210250550431 in words is "one hundred fifty-six trillion, two hundred ten billion, two hundred fifty million, five hundred fifty thousand, four hundred thirty-one".