11742725628 has 24 divisors (see below), whose sum is σ = 30444103760. Its totient is φ = 3914241840.

The previous prime is 11742725627. The next prime is 11742725653. The reversal of 11742725628 is 82652724711.

11742725628 is a `hidden beast` number, since 1 + 17 + 4 + 2 + 7 + 2 + 5 + 628 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742725623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54364363 + ... + 54364578.

Almost surely, 2^11742725628 is an apocalyptic number.

11742725628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11742725628 is an abundant number, since it is smaller than the sum of its proper divisors (18701378132).

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

11742725628 is a wasteful number, since it uses less digits than its factorization.

11742725628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108728954 (or 108728946 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 11742725628 in words is "eleven billion, seven hundred forty-two million, seven hundred twenty-five thousand, six hundred twenty-eight".