61415801200 has 60 divisors (see below), whose sum is σ = 158901588328. Its totient is φ = 22676601600.

The previous prime is 61415801189. The next prime is 61415801207. The reversal of 61415801200 is 210851416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61415801207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5900166 + ... + 5910565.

Almost surely, 2^61415801200 is an apocalyptic number.

It is an amenable number.

61415801200 is an abundant number, since it is smaller than the sum of its proper divisors (97485787128).

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

61415801200 is a wasteful number, since it uses less digits than its factorization.

61415801200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810762 (or 11810751 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 61415801200 in words is "sixty-one billion, four hundred fifteen million, eight hundred one thousand, two hundred".