61250562500 has 84 divisors (see below), whose sum is σ = 135992946768. Its totient is φ = 24132900000.

The previous prime is 61250562491. The next prime is 61250562559. The reversal of 61250562500 is 526505216.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4180187 + ... + 4194813.

It is an arithmetic number, because the mean of its divisors is an integer number (1618963652).

Almost surely, 2^61250562500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61250562500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67996473384).

61250562500 is an abundant number, since it is smaller than the sum of its proper divisors (74742384268).

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

61250562500 is an equidigital number, since it uses as much as digits as its factorization.

61250562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14728 (or 14701 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 61250562500 in words is "sixty-one billion, two hundred fifty million, five hundred sixty-two thousand, five hundred".