2521112752400 has 240 divisors, whose sum is σ = 6678958733568. Its totient is φ = 906885120000.

The previous prime is 2521112752387. The next prime is 2521112752427. The reversal of 2521112752400 is 42572111252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754145129 + ... + 754148471.

Almost surely, 2^{2521112752400} is an apocalyptic number.

2521112752400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521112752400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339479366784).

2521112752400 is an abundant number, since it is smaller than the sum of its proper divisors (4157845981168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521112752400 is a wasteful number, since it uses less digits than its factorization.

2521112752400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 2521112752400 its reverse (42572111252), we get a palindrome (2563684863652).

The spelling of 2521112752400 in words is "two trillion, five hundred twenty-one billion, one hundred twelve million, seven hundred fifty-two thousand, four hundred".