2612489581125 has 128 divisors (see below), whose sum is σ = 5002440768000. Its totient is φ = 1343753107200.

The previous prime is 2612489581123. The next prime is 2612489581181. The reversal of 2612489581125 is 5211859842162.

It is a happy number.

2612489581125 is a `hidden beast` number, since 2 + 6 + 1 + 2 + 48 + 9 + 581 + 12 + 5 = 666.

It is not a de Polignac number, because 2612489581125 - 2¹ = 2612489581123 is a prime.

It is a super-2 number, since 2×2612489581125² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612489581123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88757911 + ... + 88787339.

It is an arithmetic number, because the mean of its divisors is an integer number (39081568500).

Almost surely, 2^{2612489581125} is an apocalyptic number.

2612489581125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2612489581125 is a deficient number, since it is larger than the sum of its proper divisors (2389951186875).

2612489581125 is a wasteful number, since it uses less digits than its factorization.

2612489581125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30389 (or 30373 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 2612489581125 in words is "two trillion, six hundred twelve billion, four hundred eighty-nine million, five hundred eighty-one thousand, one hundred twenty-five".