61342113900 has 72 divisors (see below), whose sum is σ = 178412580864. Its totient is φ = 16272238400.

The previous prime is 61342113799. The next prime is 61342113901. The reversal of 61342113900 is 931124316.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (61342113901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477972 + ... + 592571.

It is an arithmetic number, because the mean of its divisors is an integer number (2477952512).

Almost surely, 2^61342113900 is an apocalyptic number.

61342113900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61342113900 is an abundant number, since it is smaller than the sum of its proper divisors (117070466964).

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

61342113900 is a wasteful number, since it uses less digits than its factorization.

61342113900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070751 (or 1070744 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 61342113900 in words is "sixty-one billion, three hundred forty-two million, one hundred thirteen thousand, nine hundred".