61315061100 has 72 divisors (see below), whose sum is σ = 187840508688. Its totient is φ = 15388876800.

The previous prime is 61315061099. The next prime is 61315061141. The reversal of 61315061100 is 116051316.

61315061100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6006181 + ... + 6016380.

It is an arithmetic number, because the mean of its divisors is an integer number (2608895954).

Almost surely, 2^61315061100 is an apocalyptic number.

61315061100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61315061100 is an abundant number, since it is smaller than the sum of its proper divisors (126525447588).

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

61315061100 is a wasteful number, since it uses less digits than its factorization.

61315061100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022595 (or 12022588 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The spelling of 61315061100 in words is "sixty-one billion, three hundred fifteen million, sixty-one thousand, one hundred".