156401104651 has 4 divisors (see below), whose sum is σ = 170619386904. Its totient is φ = 142182822400.

The previous prime is 156401104637. The next prime is 156401104733.

156401104651 is nontrivially palindromic in base 10.

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 156401104651 - 2²⁹ = 155864233739 is a prime.

It is a super-2 number, since 2×156401104651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156401104351) 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, 7109141110 + ... + 7109141131.

It is an arithmetic number, because the mean of its divisors is an integer number (42654846726).

Almost surely, 2^156401104651 is an apocalyptic number.

156401104651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156401104651 is a deficient number, since it is larger than the sum of its proper divisors (14218282253).

156401104651 is a wasteful number, since it uses less digits than its factorization.

156401104651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218282252.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 156401104651 in words is "one hundred fifty-six billion, four hundred one million, one hundred four thousand, six hundred fifty-one".