156155345325 has 36 divisors (see below), whose sum is σ = 319647516448. Its totient is φ = 71385300000.

The previous prime is 156155345267. The next prime is 156155345341. The reversal of 156155345325 is 523543551651.

156155345325 is a `hidden beast` number, since 1 + 5 + 61 + 5 + 53 + 4 + 532 + 5 = 666.

It is not a de Polignac number, because 156155345325 - 2⁶ = 156155345261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49571551 + ... + 49574700.

Almost surely, 2^156155345325 is an apocalyptic number.

156155345325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156155345325 is an abundant number, since it is smaller than the sum of its proper divisors (163492171123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156155345325 is a wasteful number, since it uses less digits than its factorization.

156155345325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99146274 (or 99146266 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

Adding to 156155345325 its reverse (523543551651), we get a palindrome (679698896976).

The spelling of 156155345325 in words is "one hundred fifty-six billion, one hundred fifty-five million, three hundred forty-five thousand, three hundred twenty-five".