15016538864 has 10 divisors (see below), whose sum is σ = 29094544080. Its totient is φ = 7508269424.

The previous prime is 15016538861. The next prime is 15016538879. The reversal of 15016538864 is 46883561051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15016538861) 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 as a sum of consecutive naturals, namely, 469266824 + ... + 469266855.

It is an arithmetic number, because the mean of its divisors is an integer number (2909454408).

Almost surely, 2^15016538864 is an apocalyptic number.

It is an amenable number.

15016538864 is a deficient number, since it is larger than the sum of its proper divisors (14078005216).

15016538864 is an equidigital number, since it uses as much as digits as its factorization.

15016538864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938533687 (or 938533681 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 15016538864 in words is "fifteen billion, sixteen million, five hundred thirty-eight thousand, eight hundred sixty-four".