101651065655560 has 64 divisors (see below), whose sum is σ = 229502042406000. Its totient is φ = 40520623334400.

The previous prime is 101651065655539. The next prime is 101651065655597. The reversal of 101651065655560 is 65556560156101.

It can be written as a sum of positive squares in 8 ways, for example, as 43476062075044 + 58175003580516 = 6593638^2 + 7627254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101651065655498 and 101651065655507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22213150 + ... + 26395570.

Almost surely, 2^{101651065655560} is an apocalyptic number.

101651065655560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101651065655560 is an abundant number, since it is smaller than the sum of its proper divisors (127850976750440).

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

101651065655560 is a wasteful number, since it uses less digits than its factorization.

101651065655560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184522 (or 4184518 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 101651065655560 in words is "one hundred one trillion, six hundred fifty-one billion, sixty-five million, six hundred fifty-five thousand, five hundred sixty".