100561085610534 has 32 divisors (see below), whose sum is σ = 223497770412000. Its totient is φ = 33516058178592.

The previous prime is 100561085610529. The next prime is 100561085610541. The reversal of 100561085610534 is 435016580165001.

It is a happy number.

100561085610534 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 6 + 108 + 5 + 6 + 1 + 0 + 534 = 666.

It is a super-3 number, since 3×100561085610534³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 100561085610534.

It is a congruent number.

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, 119122489 + ... + 119963700.

It is an arithmetic number, because the mean of its divisors is an integer number (6984305325375).

Almost surely, 2^{100561085610534} is an apocalyptic number.

100561085610534 is an abundant number, since it is smaller than the sum of its proper divisors (122936684801466).

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

100561085610534 is a wasteful number, since it uses less digits than its factorization.

100561085610534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239093989 (or 239093983 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 100561085610534 in words is "one hundred trillion, five hundred sixty-one billion, eighty-five million, six hundred ten thousand, five hundred thirty-four".