61010601055100 has 36 divisors (see below), whose sum is σ = 132429187921800. Its totient is φ = 24397570628160.

The previous prime is 61010601055069. The next prime is 61010601055139. The reversal of 61010601055100 is 155010601016.

It is a super-2 number, since 2×61010601055100² (a number of 28 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 61010601055100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83004695 + ... + 83736494.

Almost surely, 2^{61010601055100} is an apocalyptic number.

It is an amenable number.

61010601055100 is an abundant number, since it is smaller than the sum of its proper divisors (71418586866700).

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

61010601055100 is a wasteful number, since it uses less digits than its factorization.

61010601055100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166744862 (or 166744855 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 61010601055100 its reverse (155010601016), we get a palindrome (61165611656116).

The spelling of 61010601055100 in words is "sixty-one trillion, ten billion, six hundred one million, fifty-five thousand, one hundred".