104771566507 has 4 divisors (see below), whose sum is σ = 104785376176. Its totient is φ = 104757756840.

The previous prime is 104771566463. The next prime is 104771566541. The reversal of 104771566507 is 705665177401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104771566507 - 2¹¹ = 104771564459 is a prime.

It is a super-2 number, since 2×104771566507² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104771566567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893448 + ... + 6908629.

It is an arithmetic number, because the mean of its divisors is an integer number (26196344044).

Almost surely, 2^104771566507 is an apocalyptic number.

104771566507 is a deficient number, since it is larger than the sum of its proper divisors (13809669).

104771566507 is an equidigital number, since it uses as much as digits as its factorization.

104771566507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13809668.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 104771566507 in words is "one hundred four billion, seven hundred seventy-one million, five hundred sixty-six thousand, five hundred seven".