253011938503 has 2 divisors, whose sum is σ = 253011938504. Its totient is φ = 253011938502.

The previous prime is 253011938489. The next prime is 253011938513. The reversal of 253011938503 is 305839110352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253011938503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253011938513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126505969251 + 126505969252.

It is an arithmetic number, because the mean of its divisors is an integer number (126505969252).

Almost surely, 2^253011938503 is an apocalyptic number.

253011938503 is a deficient number, since it is larger than the sum of its proper divisors (1).

253011938503 is an equidigital number, since it uses as much as digits as its factorization.

253011938503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 253011938503 in words is "two hundred fifty-three billion, eleven million, nine hundred thirty-eight thousand, five hundred three".