715661536000 has 288 divisors, whose sum is σ = 1903847662080. Its totient is φ = 267466752000.

The previous prime is 715661535959. The next prime is 715661536003. The reversal of 715661536000 is 635166517.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (715661536003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28755562 + ... + 28780438.

It is an arithmetic number, because the mean of its divisors is an integer number (6610582160).

Almost surely, 2^715661536000 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 715661536000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951923831040).

715661536000 is an abundant number, since it is smaller than the sum of its proper divisors (1188186126080).

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

715661536000 is a wasteful number, since it uses less digits than its factorization.

715661536000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24968 (or 24944 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 715661536000 in words is "seven hundred fifteen billion, six hundred sixty-one million, five hundred thirty-six thousand".