72751150881 has 12 divisors (see below), whose sum is σ = 105087729552. Its totient is φ = 48499505496.

The previous prime is 72751150861. The next prime is 72751150909. The reversal of 72751150881 is 18805115727.

72751150881 is a `hidden beast` number, since 7 + 2 + 7 + 511 + 50 + 8 + 81 = 666.

It is not a de Polignac number, because 72751150881 - 2¹⁵ = 72751118113 is a prime.

It is a super-2 number, since 2×72751150881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72751150861) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 375810 + ... + 535476.

It is an arithmetic number, because the mean of its divisors is an integer number (8757310796).

Almost surely, 2^72751150881 is an apocalyptic number.

It is an amenable number.

72751150881 is a deficient number, since it is larger than the sum of its proper divisors (32336578671).

72751150881 is a wasteful number, since it uses less digits than its factorization.

72751150881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210300 (or 210297 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 45.

The spelling of 72751150881 in words is "seventy-two billion, seven hundred fifty-one million, one hundred fifty thousand, eight hundred eighty-one".