11115925972 has 12 divisors (see below), whose sum is σ = 19460604436. Its totient is φ = 5555753280.

The previous prime is 11115925969. The next prime is 11115925987. The reversal of 11115925972 is 27952951111.

11115925972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2116368016 + 8999557956 = 46004^2 + 94866^2 .

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, 541083 + ... + 561250.

Almost surely, 2^11115925972 is an apocalyptic number.

It is an amenable number.

11115925972 is a deficient number, since it is larger than the sum of its proper divisors (8344678464).

11115925972 is a wasteful number, since it uses less digits than its factorization.

11115925972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104858 (or 1104856 counting only the distinct ones).

The product of its digits is 56700, while the sum is 43.

The spelling of 11115925972 in words is "eleven billion, one hundred fifteen million, nine hundred twenty-five thousand, nine hundred seventy-two".