11152931 has 4 divisors (see below), whose sum is σ = 11257272. Its totient is φ = 11048592.

The previous prime is 11152919. The next prime is 11152937. The reversal of 11152931 is 13925111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13925111 = 971 ⋅14341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11152931 is a prime.

It is a super-2 number, since 2×11152931² = 248775739781522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11152897 and 11152906.

It is not an unprimeable number, because it can be changed into a prime (11152937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52010 + ... + 52223.

It is an arithmetic number, because the mean of its divisors is an integer number (2814318).

Almost surely, 2^11152931 is an apocalyptic number.

11152931 is a deficient number, since it is larger than the sum of its proper divisors (104341).

11152931 is a wasteful number, since it uses less digits than its factorization.

11152931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104340.

The product of its digits is 270, while the sum is 23.

The square root of 11152931 is about 3339.6004252006. The cubic root of 11152931 is about 223.4239223105.

The spelling of 11152931 in words is "eleven million, one hundred fifty-two thousand, nine hundred thirty-one".