10601515720 has 16 divisors (see below), whose sum is σ = 23853410460. Its totient is φ = 4240606272.

The previous prime is 10601515697. The next prime is 10601515721. The reversal of 10601515720 is 2751510601.

It can be written as a sum of positive squares in 2 ways, for example, as 10456698564 + 144817156 = 102258^2 + 12034^2 .

It is a super-2 number, since 2×10601515720² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10601515721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132518907 + ... + 132518986.

Almost surely, 2^10601515720 is an apocalyptic number.

10601515720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10601515720 is an abundant number, since it is smaller than the sum of its proper divisors (13251894740).

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

10601515720 is a wasteful number, since it uses less digits than its factorization.

10601515720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265037904 (or 265037900 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 10601515720 in words is "ten billion, six hundred one million, five hundred fifteen thousand, seven hundred twenty".