15715771889496 has 256 divisors, whose sum is σ = 46328544414720. Its totient is φ = 4348753920000.

The previous prime is 15715771889479. The next prime is 15715771889497. The reversal of 15715771889496 is 69498817751751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15715771889497) 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 63 ways as a sum of consecutive naturals, for example, 1223868036 + ... + 1223880876.

It is an arithmetic number, because the mean of its divisors is an integer number (180970876620).

Almost surely, 2^{15715771889496} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15715771889496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23164272207360).

15715771889496 is an abundant number, since it is smaller than the sum of its proper divisors (30612772525224).

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

15715771889496 is a wasteful number, since it uses less digits than its factorization.

15715771889496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786 (or 13782 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 78.

The spelling of 15715771889496 in words is "fifteen trillion, seven hundred fifteen billion, seven hundred seventy-one million, eight hundred eighty-nine thousand, four hundred ninety-six".