61503263200 has 72 divisors (see below), whose sum is σ = 151631623080. Its totient is φ = 24357696000.

The previous prime is 61503263197. The next prime is 61503263219. The reversal of 61503263200 is 236230516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299790 + ... + 461389.

It is an arithmetic number, because the mean of its divisors is an integer number (2105994765).

Almost surely, 2^61503263200 is an apocalyptic number.

It is an amenable number.

61503263200 is an abundant number, since it is smaller than the sum of its proper divisors (90128359880).

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

61503263200 is a wasteful number, since it uses less digits than its factorization.

61503263200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761300 (or 761287 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 61503263200 its reverse (236230516), we get a palindrome (61739493716).

The spelling of 61503263200 in words is "sixty-one billion, five hundred three million, two hundred sixty-three thousand, two hundred".