715137721660055 has 8 divisors (see below), whose sum is σ = 869028117460800. Its totient is φ = 564868276348896.

The previous prime is 715137721660013. The next prime is 715137721660057. The reversal of 715137721660055 is 550066127731517.

It is a happy number.

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 715137721660055 - 2²² = 715137717465751 is a prime.

It is a super-2 number, since 2×715137721660055² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715137721660057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905237621960 + ... + 905237622749.

It is an arithmetic number, because the mean of its divisors is an integer number (108628514682600).

Almost surely, 2^{715137721660055} is an apocalyptic number.

715137721660055 is a deficient number, since it is larger than the sum of its proper divisors (153890395800745).

715137721660055 is a wasteful number, since it uses less digits than its factorization.

715137721660055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810475244793.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 715137721660055 in words is "seven hundred fifteen trillion, one hundred thirty-seven billion, seven hundred twenty-one million, six hundred sixty thousand, fifty-five".