101615151560 has 64 divisors (see below), whose sum is σ = 246705706800. Its totient is φ = 37445630976.

The previous prime is 101615151559. The next prime is 101615151581. The reversal of 101615151560 is 65151516101.

It can be written as a sum of positive squares in 8 ways, for example, as 11904119236 + 89711032324 = 109106^2 + 299518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72722 + ... + 456638.

Almost surely, 2^101615151560 is an apocalyptic number.

101615151560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101615151560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123352853400).

101615151560 is an abundant number, since it is smaller than the sum of its proper divisors (145090555240).

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

101615151560 is a wasteful number, since it uses less digits than its factorization.

101615151560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384450 (or 384446 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 32.

Adding to 101615151560 its reverse (65151516101), we get a palindrome (166766667661).

The spelling of 101615151560 in words is "one hundred one billion, six hundred fifteen million, one hundred fifty-one thousand, five hundred sixty".