261117094744 has 32 divisors (see below), whose sum is σ = 534122942400. Its totient is φ = 118685189920.

The previous prime is 261117094741. The next prime is 261117094747. The reversal of 261117094744 is 447490711162.

It is an interprime number because it is at equal distance from previous prime (261117094741) and next prime (261117094747).

It is a junction number, because it is equal to n+sod(n) for n = 261117094694 and 261117094703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261117094741) 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, 4149387 + ... + 4211845.

It is an arithmetic number, because the mean of its divisors is an integer number (16691341950).

Almost surely, 2^261117094744 is an apocalyptic number.

It is an amenable number.

261117094744 is an abundant number, since it is smaller than the sum of its proper divisors (273005847656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261117094744 is a wasteful number, since it uses less digits than its factorization.

261117094744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109983 (or 109979 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 261117094744 in words is "two hundred sixty-one billion, one hundred seventeen million, ninety-four thousand, seven hundred forty-four".