715137721660054 has 64 divisors (see below), whose sum is σ = 1345002011983872. Its totient is φ = 277042721248800.

The previous prime is 715137721660013. The next prime is 715137721660057. The reversal of 715137721660054 is 450066127731517.

It is a happy number.

It is a super-2 number, since 2×715137721660054² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 715137721659977 and 715137721660004.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60555889 + ... + 71395315.

It is an arithmetic number, because the mean of its divisors is an integer number (21015656437248).

Almost surely, 2^{715137721660054} is an apocalyptic number.

715137721660054 is a deficient number, since it is larger than the sum of its proper divisors (629864290323818).

715137721660054 is a wasteful number, since it uses less digits than its factorization.

715137721660054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841881.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 715137721660054 in words is "seven hundred fifteen trillion, one hundred thirty-seven billion, seven hundred twenty-one million, six hundred sixty thousand, fifty-four".