1115606031 has 16 divisors (see below), whose sum is σ = 1509965568. Its totient is φ = 732513600.

The previous prime is 1115605993. The next prime is 1115606039. The reversal of 1115606031 is 1306065111.

It is a de Polignac number, because none of the positive numbers 2^k-1115606031 is a prime.

It is a super-2 number, since 2×1115606031² = 2489153632807145922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115605992 and 1115606010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115606039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272955 + ... + 277011.

It is an arithmetic number, because the mean of its divisors is an integer number (94372848).

Almost surely, 2^1115606031 is an apocalyptic number.

1115606031 is a deficient number, since it is larger than the sum of its proper divisors (394359537).

1115606031 is a wasteful number, since it uses less digits than its factorization.

1115606031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1115606031 is about 33400.6890797181. The cubic root of 1115606031 is about 1037.1389656076.

The spelling of 1115606031 in words is "one billion, one hundred fifteen million, six hundred six thousand, thirty-one".