61161010656100 has 36 divisors (see below), whose sum is σ = 132720367668784. Its totient is φ = 24464224622880.

The previous prime is 61161010656059. The next prime is 61161010656101. The reversal of 61161010656100 is 165601016116.

It is not an unprimeable number, because it can be changed into a prime (61161010656101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11883499 + ... + 16233901.

Almost surely, 2^{61161010656100} is an apocalyptic number.

It is an amenable number.

61161010656100 is an abundant number, since it is smaller than the sum of its proper divisors (71559357012684).

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

61161010656100 is a wasteful number, since it uses less digits than its factorization.

61161010656100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491004 (or 4490997 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 61161010656100 in words is "sixty-one trillion, one hundred sixty-one billion, ten million, six hundred fifty-six thousand, one hundred".