11601655005 has 16 divisors (see below), whose sum is σ = 18564646464. Its totient is φ = 6186883200.

The previous prime is 11601654979. The next prime is 11601655007. The reversal of 11601655005 is 50055610611.

It is not a de Polignac number, because 11601655005 - 2⁵ = 11601654973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601655007) 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, 123457 + ... + 196073.

It is an arithmetic number, because the mean of its divisors is an integer number (1160290404).

Almost surely, 2^11601655005 is an apocalyptic number.

11601655005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11601655005 is a deficient number, since it is larger than the sum of its proper divisors (6962991459).

11601655005 is a wasteful number, since it uses less digits than its factorization.

11601655005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83276.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 11601655005 in words is "eleven billion, six hundred one million, six hundred fifty-five thousand, five".