15956035536 has 160 divisors (see below), whose sum is σ = 50186787840. Its totient is φ = 4266749952.

The previous prime is 15956035531. The next prime is 15956035561. The reversal of 15956035536 is 63553065951.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15956035531) 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 31 ways as a sum of consecutive naturals, for example, 514816 + ... + 544928.

It is an arithmetic number, because the mean of its divisors is an integer number (313667424).

Almost surely, 2^15956035536 is an apocalyptic number.

15956035536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15956035536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25093393920).

15956035536 is an abundant number, since it is smaller than the sum of its proper divisors (34230752304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15956035536 is a wasteful number, since it uses less digits than its factorization.

15956035536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233 (or 30227 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 48.

The spelling of 15956035536 in words is "fifteen billion, nine hundred fifty-six million, thirty-five thousand, five hundred thirty-six".