11657607503 has 2 divisors, whose sum is σ = 11657607504. Its totient is φ = 11657607502.

The previous prime is 11657607497. The next prime is 11657607517. The reversal of 11657607503 is 30570675611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11657607503 - 2⁴ = 11657607487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657607553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828803751 + 5828803752.

It is an arithmetic number, because the mean of its divisors is an integer number (5828803752).

Almost surely, 2^11657607503 is an apocalyptic number.

11657607503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657607503 is an equidigital number, since it uses as much as digits as its factorization.

11657607503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 11657607503 in words is "eleven billion, six hundred fifty-seven million, six hundred seven thousand, five hundred three".