61010556000 has 96 divisors (see below), whose sum is σ = 199870620768. Its totient is φ = 16269478400.

The previous prime is 61010555953. The next prime is 61010556017. The reversal of 61010556000 is 65501016.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2530107 + ... + 2554106.

It is an arithmetic number, because the mean of its divisors is an integer number (2081985633).

Almost surely, 2^61010556000 is an apocalyptic number.

61010556000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61010556000 is an abundant number, since it is smaller than the sum of its proper divisors (138860064768).

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

61010556000 is a wasteful number, since it uses less digits than its factorization.

61010556000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084241 (or 5084223 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 61010556000 in words is "sixty-one billion, ten million, five hundred fifty-six thousand".