15599955007 has 16 divisors (see below), whose sum is σ = 19862015040. Its totient is φ = 11917204992.

The previous prime is 15599955001. The next prime is 15599955011. The reversal of 15599955007 is 70055999551.

It is not a de Polignac number, because 15599955007 - 2⁷ = 15599954879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15599955001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2953018 + ... + 2958295.

It is an arithmetic number, because the mean of its divisors is an integer number (1241375940).

Almost surely, 2^15599955007 is an apocalyptic number.

15599955007 is a deficient number, since it is larger than the sum of its proper divisors (4262060033).

15599955007 is a wasteful number, since it uses less digits than its factorization.

15599955007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911362.

The product of its (nonzero) digits is 3189375, while the sum is 55.

The spelling of 15599955007 in words is "fifteen billion, five hundred ninety-nine million, nine hundred fifty-five thousand, seven".