11605172124 has 48 divisors (see below), whose sum is σ = 33327676928. Its totient is φ = 3060704448.

The previous prime is 11605172119. The next prime is 11605172129. The reversal of 11605172124 is 42127150611.

It is an interprime number because it is at equal distance from previous prime (11605172119) and next prime (11605172129).

It is a junction number, because it is equal to n+sod(n) for n = 11605172091 and 11605172100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605172129) 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, 5312632 + ... + 5314815.

Almost surely, 2^11605172124 is an apocalyptic number.

11605172124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11605172124 is an abundant number, since it is smaller than the sum of its proper divisors (21722504804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11605172124 is a wasteful number, since it uses less digits than its factorization.

11605172124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627474 (or 10627472 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 11605172124 in words is "eleven billion, six hundred five million, one hundred seventy-two thousand, one hundred twenty-four".