61332124128507 has 12 divisors (see below), whose sum is σ = 88638195451104. Its totient is φ = 40866229142640.

The previous prime is 61332124128491. The next prime is 61332124128661. The reversal of 61332124128507 is 70582142123316.

61332124128507 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 2 + 12 + 4 + 128 + 507 = 666.

It is not a de Polignac number, because 61332124128507 - 2⁴ = 61332124128491 is a prime.

It is a super-2 number, since 2×61332124128507² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61332124128907) 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, 1821116368 + ... + 1821150045.

It is an arithmetic number, because the mean of its divisors is an integer number (7386516287592).

Almost surely, 2^{61332124128507} is an apocalyptic number.

61332124128507 is a deficient number, since it is larger than the sum of its proper divisors (27306071322597).

61332124128507 is a wasteful number, since it uses less digits than its factorization.

61332124128507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642268290 (or 3642268287 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 61332124128507 in words is "sixty-one trillion, three hundred thirty-two billion, one hundred twenty-four million, one hundred twenty-eight thousand, five hundred seven".