11687967750 has 64 divisors (see below), whose sum is σ = 29266960320. Its totient is φ = 3106771200.

The previous prime is 11687967749. The next prime is 11687967757. The reversal of 11687967750 is 5776978611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687967757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209856 + ... + 259644.

It is an arithmetic number, because the mean of its divisors is an integer number (457296255).

Almost surely, 2^11687967750 is an apocalyptic number.

11687967750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11687967750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14633480160).

11687967750 is an abundant number, since it is smaller than the sum of its proper divisors (17578992570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11687967750 is a wasteful number, since it uses less digits than its factorization.

11687967750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50122 (or 50112 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 11687967750 in words is "eleven billion, six hundred eighty-seven million, nine hundred sixty-seven thousand, seven hundred fifty".