2491372775425 has 12 divisors (see below), whose sum is σ = 3089331756720. Its totient is φ = 1993079178320.

The previous prime is 2491372775401. The next prime is 2491372775431. The reversal of 2491372775425 is 5245772731942.

It is not a de Polignac number, because 2491372775425 - 2¹⁵ = 2491372742657 is a prime.

It is a super-3 number, since 3×2491372775425³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2491372775425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2576886 + ... + 3409264.

It is an arithmetic number, because the mean of its divisors is an integer number (257444313060).

Almost surely, 2^{2491372775425} is an apocalyptic number.

2491372775425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2491372775425 is a deficient number, since it is larger than the sum of its proper divisors (597958981295).

2491372775425 is a wasteful number, since it uses less digits than its factorization.

2491372775425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952112 (or 952107 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 2491372775425 in words is "two trillion, four hundred ninety-one billion, three hundred seventy-two million, seven hundred seventy-five thousand, four hundred twenty-five".