11532431903 has 2 divisors, whose sum is σ = 11532431904. Its totient is φ = 11532431902.

The previous prime is 11532431893. The next prime is 11532431927. The reversal of 11532431903 is 30913423511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11532431903 - 2¹⁶ = 11532366367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11532431903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11532431983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766215951 + 5766215952.

It is an arithmetic number, because the mean of its divisors is an integer number (5766215952).

Almost surely, 2^11532431903 is an apocalyptic number.

11532431903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532431903 is an equidigital number, since it uses as much as digits as its factorization.

11532431903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 11532431903 in words is "eleven billion, five hundred thirty-two million, four hundred thirty-one thousand, nine hundred three".