260249188771 has 32 divisors (see below), whose sum is σ = 306756253440. Its totient is φ = 217671484800.

The previous prime is 260249188757. The next prime is 260249188807. The reversal of 260249188771 is 177881942062.

It is not a de Polignac number, because 260249188771 - 2²³ = 260240800163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260249138771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71123940 + ... + 71127598.

It is an arithmetic number, because the mean of its divisors is an integer number (9586132920).

Almost surely, 2^260249188771 is an apocalyptic number.

260249188771 is a deficient number, since it is larger than the sum of its proper divisors (46507064669).

260249188771 is a wasteful number, since it uses less digits than its factorization.

260249188771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 260249188771 in words is "two hundred sixty billion, two hundred forty-nine million, one hundred eighty-eight thousand, seven hundred seventy-one".