61007267563 has 16 divisors (see below), whose sum is σ = 68768474112. Its totient is φ = 53618796000.

The previous prime is 61007267533. The next prime is 61007267579. The reversal of 61007267563 is 36576270016.

It is not a de Polignac number, because 61007267563 - 2²⁵ = 60973713131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61007267513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257128 + ... + 433738.

It is an arithmetic number, because the mean of its divisors is an integer number (4298029632).

Almost surely, 2^61007267563 is an apocalyptic number.

61007267563 is a deficient number, since it is larger than the sum of its proper divisors (7761206549).

61007267563 is a wasteful number, since it uses less digits than its factorization.

61007267563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177666.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 61007267563 in words is "sixty-one billion, seven million, two hundred sixty-seven thousand, five hundred sixty-three".