11679457550 has 12 divisors (see below), whose sum is σ = 21723791136. Its totient is φ = 4671783000.

The previous prime is 11679457549. The next prime is 11679457553. The reversal of 11679457550 is 5575497611.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 233589151 = 11679457550 / (1 + 1 + 6 + 7 + 9 + 4 + 5 + 7 + 5 + 5 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11679457553) 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, 116794526 + ... + 116794625.

It is an arithmetic number, because the mean of its divisors is an integer number (1810315928).

Almost surely, 2^11679457550 is an apocalyptic number.

11679457550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11679457550 is a deficient number, since it is larger than the sum of its proper divisors (10044333586).

11679457550 is a wasteful number, since it uses less digits than its factorization.

11679457550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233589163 (or 233589158 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 50.

The spelling of 11679457550 in words is "eleven billion, six hundred seventy-nine million, four hundred fifty-seven thousand, five hundred fifty".