11499387703 has 18 divisors (see below), whose sum is σ = 11897065824. Its totient is φ = 11114636904.

The previous prime is 11499387589. The next prime is 11499387787. The reversal of 11499387703 is 30778399411.

It is not a de Polignac number, because 11499387703 - 2²¹ = 11497290551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11499381703) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51566650 + ... + 51566872.

Almost surely, 2^11499387703 is an apocalyptic number.

11499387703 is a deficient number, since it is larger than the sum of its proper divisors (397678121).

11499387703 is an frugal number, since it uses more digits than its factorization.

11499387703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 11499387703 in words is "eleven billion, four hundred ninety-nine million, three hundred eighty-seven thousand, seven hundred three".