11739887499 has 8 divisors (see below), whose sum is σ = 15654269952. Its totient is φ = 7826048360.

The previous prime is 11739887461. The next prime is 11739887507. The reversal of 11739887499 is 99478893711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11739887499 - 2²⁴ = 11723110283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11739887429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82407 + ... + 173984.

It is an arithmetic number, because the mean of its divisors is an integer number (1956783744).

Almost surely, 2^11739887499 is an apocalyptic number.

11739887499 is a deficient number, since it is larger than the sum of its proper divisors (3914382453).

11739887499 is a wasteful number, since it uses less digits than its factorization.

11739887499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271657.

The product of its digits is 27433728, while the sum is 66.

The spelling of 11739887499 in words is "eleven billion, seven hundred thirty-nine million, eight hundred eighty-seven thousand, four hundred ninety-nine".