61534564003131 has 8 divisors (see below), whose sum is σ = 82282529388864. Its totient is φ = 40904820643080.

The previous prime is 61534564003097. The next prime is 61534564003141. The reversal of 61534564003131 is 13130046543516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61534564003131 - 2⁹ = 61534564002619 is a prime.

It is a super-2 number, since 2×61534564003131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61534564003141) 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, 29555505205 + ... + 29555507286.

It is an arithmetic number, because the mean of its divisors is an integer number (10285316173608).

Almost surely, 2^{61534564003131} is an apocalyptic number.

61534564003131 is a deficient number, since it is larger than the sum of its proper divisors (20747965385733).

61534564003131 is a wasteful number, since it uses less digits than its factorization.

61534564003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59111012841.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 61534564003131 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred sixty-four million, three thousand, one hundred thirty-one".