715386725545 has 8 divisors (see below), whose sum is σ = 858481561224. Its totient is φ = 572297720064.

The previous prime is 715386725519. The next prime is 715386725549. The reversal of 715386725545 is 545527683517.

It can be written as a sum of positive squares in 4 ways, for example, as 16778279961 + 698608445584 = 129531^2 + 835828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 715386725545 - 2¹⁵ = 715386692777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 715386725545.

It is not an unprimeable number, because it can be changed into a prime (715386725549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182894 + ... + 1682263.

It is an arithmetic number, because the mean of its divisors is an integer number (107310195153).

Almost surely, 2^715386725545 is an apocalyptic number.

It is an amenable number.

715386725545 is a deficient number, since it is larger than the sum of its proper divisors (143094835679).

715386725545 is a wasteful number, since it uses less digits than its factorization.

715386725545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915099.

The product of its digits is 35280000, while the sum is 58.

The spelling of 715386725545 in words is "seven hundred fifteen billion, three hundred eighty-six million, seven hundred twenty-five thousand, five hundred forty-five".