101555620505260 has 48 divisors (see below), whose sum is σ = 214161900597792. Its totient is φ = 40452041203200.

The previous prime is 101555620505239. The next prime is 101555620505281. The reversal of 101555620505260 is 62505026555101.

It is an interprime number because it is at equal distance from previous prime (101555620505239) and next prime (101555620505281).

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, 3345361 + ... + 14639080.

It is an arithmetic number, because the mean of its divisors is an integer number (4461706262454).

Almost surely, 2^{101555620505260} is an apocalyptic number.

101555620505260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101555620505260 is an abundant number, since it is smaller than the sum of its proper divisors (112606280092532).

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

101555620505260 is a wasteful number, since it uses less digits than its factorization.

101555620505260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985634 (or 17985632 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 101555620505260 in words is "one hundred one trillion, five hundred fifty-five billion, six hundred twenty million, five hundred five thousand, two hundred sixty".