156202020601 has 16 divisors (see below), whose sum is σ = 189921965760. Its totient is φ = 126614638080.

The previous prime is 156202020581. The next prime is 156202020613. The reversal of 156202020601 is 106020202651.

It is not a de Polignac number, because 156202020601 - 2¹³ = 156202012409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156202020901) 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 15 ways as a sum of consecutive naturals, for example, 21978156 + ... + 21985261.

It is an arithmetic number, because the mean of its divisors is an integer number (11870122860).

Almost surely, 2^156202020601 is an apocalyptic number.

156202020601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156202020601 is a deficient number, since it is larger than the sum of its proper divisors (33719945159).

156202020601 is a wasteful number, since it uses less digits than its factorization.

156202020601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43963464.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 156202020601 in words is "one hundred fifty-six billion, two hundred two million, twenty thousand, six hundred one".