72011211211024 has 20 divisors (see below), whose sum is σ = 139523092168336. Its totient is φ = 36005251941792.

The previous prime is 72011211211003. The next prime is 72011211211073. The reversal of 72011211211024 is 42011211211027.

It is a super-2 number, since 2×72011211211024² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72011211211024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20420274 + ... + 23685649.

Almost surely, 2^{72011211211024} is an apocalyptic number.

It is an amenable number.

72011211211024 is a deficient number, since it is larger than the sum of its proper divisors (67511880957312).

72011211211024 is a wasteful number, since it uses less digits than its factorization.

72011211211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44207974 (or 44207968 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 72011211211024 in words is "seventy-two trillion, eleven billion, two hundred eleven million, two hundred eleven thousand, twenty-four".