2521351041416 has 32 divisors (see below), whose sum is σ = 4759168123200. Its totient is φ = 1252240689600.

The previous prime is 2521351041409. The next prime is 2521351041421. The reversal of 2521351041416 is 6141401531252.

It is a happy number.

It is a super-2 number, since 2×2521351041416² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19811795 + ... + 19938653.

It is an arithmetic number, because the mean of its divisors is an integer number (148724003850).

Almost surely, 2^{2521351041416} is an apocalyptic number.

It is an amenable number.

2521351041416 is a deficient number, since it is larger than the sum of its proper divisors (2237817081784).

2521351041416 is a wasteful number, since it uses less digits than its factorization.

2521351041416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143469 (or 143465 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2521351041416 its reverse (6141401531252), we get a palindrome (8662752572668).

The spelling of 2521351041416 in words is "two trillion, five hundred twenty-one billion, three hundred fifty-one million, forty-one thousand, four hundred sixteen".