260172378625831 has 12 divisors (see below), whose sum is σ = 302694747899760. Its totient is φ = 222971556635520.

The previous prime is 260172378625823. The next prime is 260172378625877. The reversal of 260172378625831 is 138526873271062.

It is not a de Polignac number, because 260172378625831 - 2³ = 260172378625823 is a prime.

It is a super-2 number, since 2×260172378625831² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260172378625831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260172378622831) 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 11 ways as a sum of consecutive naturals, for example, 396565675 + ... + 397221196.

It is an arithmetic number, because the mean of its divisors is an integer number (25224562324980).

Almost surely, 2^{260172378625831} is an apocalyptic number.

260172378625831 is a deficient number, since it is larger than the sum of its proper divisors (42522369273929).

260172378625831 is an equidigital number, since it uses as much as digits as its factorization.

260172378625831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793793574 (or 793793567 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 260172378625831 in words is "two hundred sixty trillion, one hundred seventy-two billion, three hundred seventy-eight million, six hundred twenty-five thousand, eight hundred thirty-one".