61301642502560 has 48 divisors (see below), whose sum is σ = 144844136722152. Its totient is φ = 24517439001600.

The previous prime is 61301642502539. The next prime is 61301642502577. The reversal of 61301642502560 is 6520524610316.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59660855713936 + 1640786788624 = 7724044^2 + 1280932^2 .

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, 23917451 + ... + 26356170.

Almost surely, 2^{61301642502560} is an apocalyptic number.

It is an amenable number.

61301642502560 is an abundant number, since it is smaller than the sum of its proper divisors (83542494219592).

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

61301642502560 is a wasteful number, since it uses less digits than its factorization.

61301642502560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50281257 (or 50281249 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 61301642502560 in words is "sixty-one trillion, three hundred one billion, six hundred forty-two million, five hundred two thousand, five hundred sixty".