61461152955 has 12 divisors (see below), whose sum is σ = 106532665200. Its totient is φ = 32779281552.

The previous prime is 61461152933. The next prime is 61461152959. The reversal of 61461152955 is 55925116416.

61461152955 is a `hidden beast` number, since 6 + 1 + 4 + 611 + 5 + 29 + 5 + 5 = 666.

It is not a de Polignac number, because 61461152955 - 2²⁴ = 61444375739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1365803399 = 61461152955 / (6 + 1 + 4 + 6 + 1 + 1 + 5 + 2 + 9 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 61461152955.

It is not an unprimeable number, because it can be changed into a prime (61461152959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682901655 + ... + 682901744.

It is an arithmetic number, because the mean of its divisors is an integer number (8877722100).

Almost surely, 2^61461152955 is an apocalyptic number.

61461152955 is a deficient number, since it is larger than the sum of its proper divisors (45071512245).

61461152955 is a wasteful number, since it uses less digits than its factorization.

61461152955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365803410 (or 1365803407 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The spelling of 61461152955 in words is "sixty-one billion, four hundred sixty-one million, one hundred fifty-two thousand, nine hundred fifty-five".