156064621325 has 12 divisors (see below), whose sum is σ = 196171093428. Its totient is φ = 123141398400.

The previous prime is 156064621301. The next prime is 156064621327. The reversal of 156064621325 is 523126460651.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2433547561 + 153631073764 = 49331^2 + 391958^2 .

It is not a de Polignac number, because 156064621325 - 2⁶ = 156064621261 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 (156064621327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42755606 + ... + 42759255.

It is an arithmetic number, because the mean of its divisors is an integer number (16347591119).

Almost surely, 2^156064621325 is an apocalyptic number.

It is an amenable number.

156064621325 is a deficient number, since it is larger than the sum of its proper divisors (40106472103).

156064621325 is an equidigital number, since it uses as much as digits as its factorization.

156064621325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85514944 (or 85514939 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 156064621325 in words is "one hundred fifty-six billion, sixty-four million, six hundred twenty-one thousand, three hundred twenty-five".