2451213311525 has 96 divisors (see below), whose sum is σ = 3633607434240. Its totient is φ = 1620025344000.

The previous prime is 2451213311509. The next prime is 2451213311531. The reversal of 2451213311525 is 5251133121542.

It is not a de Polignac number, because 2451213311525 - 2⁴ = 2451213311509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18526556 + ... + 18658394.

It is an arithmetic number, because the mean of its divisors is an integer number (37850077440).

Almost surely, 2^{2451213311525} is an apocalyptic number.

2451213311525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451213311525 is a deficient number, since it is larger than the sum of its proper divisors (1182394122715).

2451213311525 is a wasteful number, since it uses less digits than its factorization.

2451213311525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132015 (or 132010 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The spelling of 2451213311525 in words is "two trillion, four hundred fifty-one billion, two hundred thirteen million, three hundred eleven thousand, five hundred twenty-five".