2497221186135 has 32 divisors (see below), whose sum is σ = 4305194826240. Its totient is φ = 1228746734208.

The previous prime is 2497221186043. The next prime is 2497221186137. The reversal of 2497221186135 is 5316811227942.

It is not a de Polignac number, because 2497221186135 - 2¹⁵ = 2497221153367 is a prime.

It is a super-2 number, since 2×2497221186135² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497221186137) 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, 3041329 + ... + 3774138.

It is an arithmetic number, because the mean of its divisors is an integer number (134537338320).

Almost surely, 2^{2497221186135} is an apocalyptic number.

2497221186135 is a deficient number, since it is larger than the sum of its proper divisors (1807973640105).

2497221186135 is a wasteful number, since it uses less digits than its factorization.

2497221186135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817367.

The product of its digits is 1451520, while the sum is 51.

The spelling of 2497221186135 in words is "two trillion, four hundred ninety-seven billion, two hundred twenty-one million, one hundred eighty-six thousand, one hundred thirty-five".