2521124152551 has 32 divisors (see below), whose sum is σ = 3790145571840. Its totient is φ = 1655965130400.

The previous prime is 2521124152523. The next prime is 2521124152553. The reversal of 2521124152551 is 1552514211252.

2521124152551 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 12 + 41 + 52 + 551 = 666.

It is not a de Polignac number, because 2521124152551 - 2¹⁰ = 2521124151527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521124152553) 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, 2421646 + ... + 3302516.

It is an arithmetic number, because the mean of its divisors is an integer number (118442049120).

Almost surely, 2^{2521124152551} is an apocalyptic number.

2521124152551 is a deficient number, since it is larger than the sum of its proper divisors (1269021419289).

2521124152551 is a wasteful number, since it uses less digits than its factorization.

2521124152551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882444 (or 882438 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

The spelling of 2521124152551 in words is "two trillion, five hundred twenty-one billion, one hundred twenty-four million, one hundred fifty-two thousand, five hundred fifty-one".