61261300460 has 24 divisors (see below), whose sum is σ = 131786506656. Its totient is φ = 23906848640.

The previous prime is 61261300459. The next prime is 61261300489. The reversal of 61261300460 is 6400316216.

It is a happy number.

61261300460 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 7 ways as a sum of consecutive naturals, for example, 37353632 + ... + 37355271.

It is an arithmetic number, because the mean of its divisors is an integer number (5491104444).

Almost surely, 2^61261300460 is an apocalyptic number.

It is an amenable number.

61261300460 is an abundant number, since it is smaller than the sum of its proper divisors (70525206196).

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

61261300460 is a wasteful number, since it uses less digits than its factorization.

61261300460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74708953 (or 74708951 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 61261300460 its reverse (6400316216), we get a palindrome (67661616676).

The spelling of 61261300460 in words is "sixty-one billion, two hundred sixty-one million, three hundred thousand, four hundred sixty".