11623666221013 has 32 divisors (see below), whose sum is σ = 14500684800000. Its totient is φ = 9051878584320.

The previous prime is 11623666220963. The next prime is 11623666221017. The reversal of 11623666221013 is 31012266632611.

It is not a de Polignac number, because 11623666221013 - 2¹⁷ = 11623666089941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623666221017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291657488 + ... + 1291666486.

It is an arithmetic number, because the mean of its divisors is an integer number (453146400000).

Almost surely, 2^{11623666221013} is an apocalyptic number.

It is an amenable number.

11623666221013 is a deficient number, since it is larger than the sum of its proper divisors (2877018578987).

11623666221013 is a wasteful number, since it uses less digits than its factorization.

11623666221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17385.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 11623666221013 in words is "eleven trillion, six hundred twenty-three billion, six hundred sixty-six million, two hundred twenty-one thousand, thirteen".