72111987260 has 12 divisors (see below), whose sum is σ = 151435173288. Its totient is φ = 28844794896.

The previous prime is 72111987191. The next prime is 72111987293. The reversal of 72111987260 is 6278911127.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802799662 + ... + 1802799701.

It is an arithmetic number, because the mean of its divisors is an integer number (12619597774).

Almost surely, 2^72111987260 is an apocalyptic number.

It is an amenable number.

72111987260 is an abundant number, since it is smaller than the sum of its proper divisors (79323186028).

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

72111987260 is a wasteful number, since it uses less digits than its factorization.

72111987260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605599372 (or 3605599370 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The spelling of 72111987260 in words is "seventy-two billion, one hundred eleven million, nine hundred eighty-seven thousand, two hundred sixty".