11457857617903 has 2 divisors, whose sum is σ = 11457857617904. Its totient is φ = 11457857617902.

The previous prime is 11457857617853. The next prime is 11457857617933. The reversal of 11457857617903 is 30971675875411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11457857617903 is a prime.

It is a super-2 number, since 2×11457857617903² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457857617933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728928808951 + 5728928808952.

It is an arithmetic number, because the mean of its divisors is an integer number (5728928808952).

Almost surely, 2^{11457857617903} is an apocalyptic number.

11457857617903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457857617903 is an equidigital number, since it uses as much as digits as its factorization.

11457857617903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 64.

The spelling of 11457857617903 in words is "eleven trillion, four hundred fifty-seven billion, eight hundred fifty-seven million, six hundred seventeen thousand, nine hundred three".