11973107487 has 16 divisors (see below), whose sum is σ = 17418159360. Its totient is φ = 7255291200.

The previous prime is 11973107473. The next prime is 11973107501. The reversal of 11973107487 is 78470137911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11973107473) and next prime (11973107501).

It is not a de Polignac number, because 11973107487 - 2¹⁰ = 11973106463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11973107407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216814 + ... + 266372.

It is an arithmetic number, because the mean of its divisors is an integer number (1088634960).

Almost surely, 2^11973107487 is an apocalyptic number.

11973107487 is a deficient number, since it is larger than the sum of its proper divisors (5445051873).

11973107487 is a wasteful number, since it uses less digits than its factorization.

11973107487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56894.

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 11973107487 in words is "eleven billion, nine hundred seventy-three million, one hundred seven thousand, four hundred eighty-seven".