8111974153 has 4 divisors (see below), whose sum is σ = 8203120020. Its totient is φ = 8020828288.

The previous prime is 8111974093. The next prime is 8111974159. The reversal of 8111974153 is 3514791118.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4357716169 + 3754257984 = 66013^2 + 61272^2 .

It is a cyclic number.

It is not a de Polignac number, because 8111974153 - 2²⁹ = 7575103241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8111974159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45572800 + ... + 45572977.

It is an arithmetic number, because the mean of its divisors is an integer number (2050780005).

Almost surely, 2^8111974153 is an apocalyptic number.

It is an amenable number.

8111974153 is a deficient number, since it is larger than the sum of its proper divisors (91145867).

8111974153 is an equidigital number, since it uses as much as digits as its factorization.

8111974153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91145866.

The product of its digits is 30240, while the sum is 40.

The square root of 8111974153 is about 90066.4985052711. The cubic root of 8111974153 is about 2009.2879793661.

The spelling of 8111974153 in words is "eight billion, one hundred eleven million, nine hundred seventy-four thousand, one hundred fifty-three".