2495078418881 has 2 divisors, whose sum is σ = 2495078418882. Its totient is φ = 2495078418880.

The previous prime is 2495078418797. The next prime is 2495078418923. The reversal of 2495078418881 is 1888148705942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2424420273025 + 70658145856 = 1557055^2 + 265816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2495078418881 - 2¹⁸ = 2495078156737 is a prime.

It is a super-2 number, since 2×2495078418881² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2495078418281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247539209440 + 1247539209441.

It is an arithmetic number, because the mean of its divisors is an integer number (1247539209441).

Almost surely, 2^{2495078418881} is an apocalyptic number.

It is an amenable number.

2495078418881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495078418881 is an equidigital number, since it uses as much as digits as its factorization.

2495078418881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41287680, while the sum is 65.

The spelling of 2495078418881 in words is "two trillion, four hundred ninety-five billion, seventy-eight million, four hundred eighteen thousand, eight hundred eighty-one".