2457561133281 has 16 divisors (see below), whose sum is σ = 3313681386048. Its totient is φ = 1619997787200.

The previous prime is 2457561133277. The next prime is 2457561133283. The reversal of 2457561133281 is 1823311657542.

It is not a de Polignac number, because 2457561133281 - 2² = 2457561133277 is a prime.

It is a super-2 number, since 2×2457561133281² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2457561133281.

It is not an unprimeable number, because it can be changed into a prime (2457561133283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11178750 + ... + 11396471.

It is an arithmetic number, because the mean of its divisors is an integer number (207105086628).

Almost surely, 2^{2457561133281} is an apocalyptic number.

It is an amenable number.

2457561133281 is a deficient number, since it is larger than the sum of its proper divisors (856120252767).

2457561133281 is a wasteful number, since it uses less digits than its factorization.

2457561133281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575632.

The product of its digits is 1209600, while the sum is 48.

The spelling of 2457561133281 in words is "two trillion, four hundred fifty-seven billion, five hundred sixty-one million, one hundred thirty-three thousand, two hundred eighty-one".