715155131328 has 448 divisors, whose sum is σ = 2152733442048. Its totient is φ = 207656570880.

The previous prime is 715155131291. The next prime is 715155131333. The reversal of 715155131328 is 823131551517.

It is a super-2 number, since 2×715155131328² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 715155131328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1948651401 + ... + 1948651767.

It is an arithmetic number, because the mean of its divisors is an integer number (4805208576).

Almost surely, 2^715155131328 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 715155131328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076366721024).

715155131328 is an abundant number, since it is smaller than the sum of its proper divisors (1437578310720).

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

715155131328 is a wasteful number, since it uses less digits than its factorization.

715155131328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 790 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The spelling of 715155131328 in words is "seven hundred fifteen billion, one hundred fifty-five million, one hundred thirty-one thousand, three hundred twenty-eight".