100561240992810 has 32 divisors (see below), whose sum is σ = 259912130567040. Its totient is φ = 24753536244288.

The previous prime is 100561240992809. The next prime is 100561240992833. The reversal of 100561240992810 is 18299042165001.

100561240992810 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100561240992810² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100561240992810.

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, 128924667550 + ... + 128924668329.

It is an arithmetic number, because the mean of its divisors is an integer number (8122254080220).

Almost surely, 2^{100561240992810} is an apocalyptic number.

100561240992810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100561240992810 is an abundant number, since it is smaller than the sum of its proper divisors (159350889574230).

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

100561240992810 is a wasteful number, since it uses less digits than its factorization.

100561240992810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257849335902.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 100561240992810 in words is "one hundred trillion, five hundred sixty-one billion, two hundred forty million, nine hundred ninety-two thousand, eight hundred ten".