201170151138 has 32 divisors (see below), whose sum is σ = 440624577600. Its totient is φ = 60723445760.

The previous prime is 201170151071. The next prime is 201170151157. The reversal of 201170151138 is 831151071102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913063 + ... + 5946986.

It is an arithmetic number, because the mean of its divisors is an integer number (13769518050).

Almost surely, 2^201170151138 is an apocalyptic number.

201170151138 is an abundant number, since it is smaller than the sum of its proper divisors (239454426462).

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

201170151138 is a wasteful number, since it uses less digits than its factorization.

201170151138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860322.

The product of its (nonzero) digits is 1680, while the sum is 30.

The spelling of 201170151138 in words is "two hundred one billion, one hundred seventy million, one hundred fifty-one thousand, one hundred thirty-eight".