61011050560 has 56 divisors (see below), whose sum is σ = 145627974936. Its totient is φ = 24346398720.

The previous prime is 61011050543. The next prime is 61011050567. The reversal of 61011050560 is 6505011016.

It can be written as a sum of positive squares in 4 ways, for example, as 4203188224 + 56807862336 = 64832^2 + 238344^2 .

It is not an unprimeable number, because it can be changed into a prime (61011050567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91717 + ... + 361156.

Almost surely, 2^61011050560 is an apocalyptic number.

It is an amenable number.

61011050560 is an abundant number, since it is smaller than the sum of its proper divisors (84616924376).

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

61011050560 is a wasteful number, since it uses less digits than its factorization.

61011050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453311 (or 453301 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 61011050560 its reverse (6505011016), we get a palindrome (67516061576).

The spelling of 61011050560 in words is "sixty-one billion, eleven million, fifty thousand, five hundred sixty".