106561115631570 has 32 divisors (see below), whose sum is σ = 261984401360640. Its totient is φ = 27723217074560.

The previous prime is 106561115631557. The next prime is 106561115631571. The reversal of 106561115631570 is 75136511165601.

It is a super-2 number, since 2×106561115631570² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106561115631571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43317525450 + ... + 43317527909.

It is an arithmetic number, because the mean of its divisors is an integer number (8187012542520).

Almost surely, 2^{106561115631570} is an apocalyptic number.

106561115631570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106561115631570 is an abundant number, since it is smaller than the sum of its proper divisors (155423285729070).

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

106561115631570 is a wasteful number, since it uses less digits than its factorization.

106561115631570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86635053410.

The product of its (nonzero) digits is 567000, while the sum is 48.

The spelling of 106561115631570 in words is "one hundred six trillion, five hundred sixty-one billion, one hundred fifteen million, six hundred thirty-one thousand, five hundred seventy".