152538849081 has 16 divisors (see below), whose sum is σ = 225991464000. Its totient is φ = 101688973344.

The previous prime is 152538849061. The next prime is 152538849107. The reversal of 152538849081 is 180948835251.

152538849081 is a `hidden beast` number, since 1 + 525 + 38 + 8 + 4 + 9 + 0 + 81 = 666.

It is not a de Polignac number, because 152538849081 - 2⁷ = 152538848953 is a prime.

It is a super-2 number, since 2×152538849081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152538849061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839245 + ... + 1004693.

It is an arithmetic number, because the mean of its divisors is an integer number (14124466500).

Almost surely, 2^152538849081 is an apocalyptic number.

It is an amenable number.

152538849081 is a deficient number, since it is larger than the sum of its proper divisors (73452614919).

152538849081 is a wasteful number, since it uses less digits than its factorization.

152538849081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199605 (or 199599 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 152538849081 in words is "one hundred fifty-two billion, five hundred thirty-eight million, eight hundred forty-nine thousand, eighty-one".