156200404431 has 4 divisors (see below), whose sum is σ = 208267205912. Its totient is φ = 104133602952.

The previous prime is 156200404417. The next prime is 156200404433. The reversal of 156200404431 is 134404002651.

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

It is not a de Polignac number, because 156200404431 - 2¹⁹ = 156199880143 is a prime.

It is a super-2 number, since 2×156200404431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156200404433) 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, 26033400736 + ... + 26033400741.

It is an arithmetic number, because the mean of its divisors is an integer number (52066801478).

Almost surely, 2^156200404431 is an apocalyptic number.

156200404431 is a deficient number, since it is larger than the sum of its proper divisors (52066801481).

156200404431 is an equidigital number, since it uses as much as digits as its factorization.

156200404431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52066801480.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 156200404431 in words is "one hundred fifty-six billion, two hundred million, four hundred four thousand, four hundred thirty-one".