11689993630 has 32 divisors (see below), whose sum is σ = 24066408960. Its totient is φ = 4004927520.

The previous prime is 11689993621. The next prime is 11689993649. The reversal of 11689993630 is 3639998611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29025 + ... + 155635.

It is an arithmetic number, because the mean of its divisors is an integer number (752075280).

Almost surely, 2^11689993630 is an apocalyptic number.

11689993630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11689993630 is an abundant number, since it is smaller than the sum of its proper divisors (12376415330).

11689993630 is a wasteful number, since it uses less digits than its factorization.

11689993630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127944.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 11689993630 in words is "eleven billion, six hundred eighty-nine million, nine hundred ninety-three thousand, six hundred thirty".