11375681887 has 8 divisors (see below), whose sum is σ = 11506147856. Its totient is φ = 11245485312.

The previous prime is 11375681861. The next prime is 11375681921. The reversal of 11375681887 is 78818657311.

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 11375681887 - 2¹¹ = 11375679839 is a prime.

It is a super-2 number, since 2×11375681887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11375681587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18208 + ... + 151930.

It is an arithmetic number, because the mean of its divisors is an integer number (1438268482).

Almost surely, 2^11375681887 is an apocalyptic number.

11375681887 is a deficient number, since it is larger than the sum of its proper divisors (130465969).

11375681887 is an equidigital number, since it uses as much as digits as its factorization.

11375681887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134697.

The product of its digits is 2257920, while the sum is 55.

The spelling of 11375681887 in words is "eleven billion, three hundred seventy-five million, six hundred eighty-one thousand, eight hundred eighty-seven".