11656106535 has 32 divisors (see below), whose sum is σ = 19093155840. Its totient is φ = 6068942208.

The previous prime is 11656106489. The next prime is 11656106563. The reversal of 11656106535 is 53560165611.

It is not a de Polignac number, because 11656106535 - 2⁶ = 11656106471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11656106493 and 11656106502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1853817 + ... + 1860093.

It is an arithmetic number, because the mean of its divisors is an integer number (596661120).

Almost surely, 2^11656106535 is an apocalyptic number.

11656106535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11656106535 is a deficient number, since it is larger than the sum of its proper divisors (7437049305).

11656106535 is a wasteful number, since it uses less digits than its factorization.

11656106535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 11656106535 in words is "eleven billion, six hundred fifty-six million, one hundred six thousand, five hundred thirty-five".