5391117972 has 60 divisors (see below), whose sum is σ = 14105192640. Its totient is φ = 1795541904.

The previous prime is 5391117937. The next prime is 5391117997. The reversal of 5391117972 is 2797111935.

It is a happy number.

5391117972 is a `hidden beast` number, since 539 + 11 + 17 + 97 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 423679 + ... + 436217.

It is an arithmetic number, because the mean of its divisors is an integer number (235086544).

Almost surely, 2^5391117972 is an apocalyptic number.

It is an amenable number.

5391117972 is an abundant number, since it is smaller than the sum of its proper divisors (8714074668).

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

5391117972 is a wasteful number, since it uses less digits than its factorization.

5391117972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882 (or 13871 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 5391117972 is about 73424.2328662683. The cubic root of 5391117972 is about 1753.4482184918.

The spelling of 5391117972 in words is "five billion, three hundred ninety-one million, one hundred seventeen thousand, nine hundred seventy-two".