11867889030 has 32 divisors (see below), whose sum is σ = 29401740288. Its totient is φ = 3062680800.

The previous prime is 11867889013. The next prime is 11867889031. The reversal of 11867889030 is 3098876811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11867889031) 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, 6379656 + ... + 6381515.

It is an arithmetic number, because the mean of its divisors is an integer number (918804384).

Almost surely, 2^11867889030 is an apocalyptic number.

11867889030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11867889030 is an abundant number, since it is smaller than the sum of its proper divisors (17533851258).

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

11867889030 is a wasteful number, since it uses less digits than its factorization.

11867889030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761212.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 11867889030 in words is "eleven billion, eight hundred sixty-seven million, eight hundred eighty-nine thousand, thirty".