11186472123 has 6 divisors (see below), whose sum is σ = 16158237524. Its totient is φ = 7457648076.

The previous prime is 11186472113. The next prime is 11186472133. The reversal of 11186472123 is 32127468111.

11186472123 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 647 + 2 + 1 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11186472113) and next prime (11186472133).

It is not a de Polignac number, because 11186472123 - 2¹⁰ = 11186471099 is a prime.

It is a super-2 number, since 2×11186472123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11186472113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621470665 + ... + 621470682.

Almost surely, 2^11186472123 is an apocalyptic number.

11186472123 is a deficient number, since it is larger than the sum of its proper divisors (4971765401).

11186472123 is a wasteful number, since it uses less digits than its factorization.

11186472123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242941353 (or 1242941350 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The spelling of 11186472123 in words is "eleven billion, one hundred eighty-six million, four hundred seventy-two thousand, one hundred twenty-three".