761808411113 has 4 divisors (see below), whose sum is σ = 794930515968. Its totient is φ = 728686306260.

The previous prime is 761808411043. The next prime is 761808411121. The reversal of 761808411113 is 311114808167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311114808167 = 3037 ⋅102441491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761808411113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761808411163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16561052393 + ... + 16561052438.

It is an arithmetic number, because the mean of its divisors is an integer number (198732628992).

Almost surely, 2^761808411113 is an apocalyptic number.

It is an amenable number.

761808411113 is a deficient number, since it is larger than the sum of its proper divisors (33122104855).

761808411113 is a wasteful number, since it uses less digits than its factorization.

761808411113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33122104854.

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 761808411113 in words is "seven hundred sixty-one billion, eight hundred eight million, four hundred eleven thousand, one hundred thirteen".