155025537201 has 10 divisors (see below), whose sum is σ = 231581358162. Its totient is φ = 103350358080.

The previous prime is 155025537187. The next prime is 155025537223. The reversal of 155025537201 is 102735520551.

155025537201 is a `hidden beast` number, since 1 + 550 + 2 + 55 + 37 + 20 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 142442082225 + 12583454976 = 377415^2 + 112176^2 .

It is not a de Polignac number, because 155025537201 - 2¹¹ = 155025535153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155025530201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 956947680 + ... + 956947841.

Almost surely, 2^155025537201 is an apocalyptic number.

It is an amenable number.

155025537201 is a deficient number, since it is larger than the sum of its proper divisors (76555820961).

155025537201 is an equidigital number, since it uses as much as digits as its factorization.

155025537201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913895533 (or 1913895524 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The spelling of 155025537201 in words is "one hundred fifty-five billion, twenty-five million, five hundred thirty-seven thousand, two hundred one".