761109108431 has 16 divisors (see below), whose sum is σ = 892156265280. Its totient is φ = 635680619520.

The previous prime is 761109108407. The next prime is 761109108433. The reversal of 761109108431 is 134801901167.

It is a cyclic number.

It is not a de Polignac number, because 761109108431 - 2²² = 761104914127 is a prime.

It is a super-2 number, since 2×761109108431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761109108433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406846 + ... + 1871211.

It is an arithmetic number, because the mean of its divisors is an integer number (55759766580).

Almost surely, 2^761109108431 is an apocalyptic number.

761109108431 is a deficient number, since it is larger than the sum of its proper divisors (131047156849).

761109108431 is a wasteful number, since it uses less digits than its factorization.

761109108431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278914.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 761109108431 in words is "seven hundred sixty-one billion, one hundred nine million, one hundred eight thousand, four hundred thirty-one".