2506878530903 has 2 divisors, whose sum is σ = 2506878530904. Its totient is φ = 2506878530902.

The previous prime is 2506878530851. The next prime is 2506878530927. The reversal of 2506878530903 is 3090358786052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2506878530903 - 2¹² = 2506878526807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506878530963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253439265451 + 1253439265452.

It is an arithmetic number, because the mean of its divisors is an integer number (1253439265452).

Almost surely, 2^{2506878530903} is an apocalyptic number.

2506878530903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506878530903 is an equidigital number, since it uses as much as digits as its factorization.

2506878530903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 2506878530903 in words is "two trillion, five hundred six billion, eight hundred seventy-eight million, five hundred thirty thousand, nine hundred three".