2591131345371 has 12 divisors (see below), whose sum is σ = 3829785865048. Its totient is φ = 1687248317664.

The previous prime is 2591131345321. The next prime is 2591131345391. The reversal of 2591131345371 is 1735431311952.

2591131345371 is a `hidden beast` number, since 2 + 5 + 9 + 113 + 13 + 453 + 71 = 666.

It is not a de Polignac number, because 2591131345371 - 2⁶ = 2591131345307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2591131345321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3347714530 + ... + 3347715303.

Almost surely, 2^{2591131345371} is an apocalyptic number.

2591131345371 is a deficient number, since it is larger than the sum of its proper divisors (1238654519677).

2591131345371 is a wasteful number, since it uses less digits than its factorization.

2591131345371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695429882 (or 6695429879 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The spelling of 2591131345371 in words is "two trillion, five hundred ninety-one billion, one hundred thirty-one million, three hundred forty-five thousand, three hundred seventy-one".