11657630755 has 8 divisors (see below), whose sum is σ = 14440420224. Its totient is φ = 9025262400.

The previous prime is 11657630749. The next prime is 11657630771. The reversal of 11657630755 is 55703675611.

11657630755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11657630755 - 2⁵ = 11657630723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37605106 + ... + 37605415.

It is an arithmetic number, because the mean of its divisors is an integer number (1805052528).

Almost surely, 2^11657630755 is an apocalyptic number.

11657630755 is a deficient number, since it is larger than the sum of its proper divisors (2782789469).

11657630755 is an equidigital number, since it uses as much as digits as its factorization.

11657630755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75210557.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 11657630755 in words is "eleven billion, six hundred fifty-seven million, six hundred thirty thousand, seven hundred fifty-five".