101556610240 has 112 divisors (see below), whose sum is σ = 243778418208. Its totient is φ = 40296996864.

The previous prime is 101556610187. The next prime is 101556610249. The reversal of 101556610240 is 42016655101.

It is not an unprimeable number, because it can be changed into a prime (101556610249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21098074 + ... + 21102886.

Almost surely, 2^101556610240 is an apocalyptic number.

101556610240 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 101556610240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121889209104).

101556610240 is an abundant number, since it is smaller than the sum of its proper divisors (142221807968).

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

101556610240 is a wasteful number, since it uses less digits than its factorization.

101556610240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 101556610240 in words is "one hundred one billion, five hundred fifty-six million, six hundred ten thousand, two hundred forty".