11869993044 has 432 divisors, whose sum is σ = 41072740800. Its totient is φ = 2962842624.

The previous prime is 11869993039. The next prime is 11869993081. The reversal of 11869993044 is 44039996811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11763612 + ... + 11764620.

Almost surely, 2^11869993044 is an apocalyptic number.

11869993044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11869993044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20536370400).

11869993044 is an abundant number, since it is smaller than the sum of its proper divisors (29202747756).

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

11869993044 is a wasteful number, since it uses less digits than its factorization.

11869993044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 11869993044 in words is "eleven billion, eight hundred sixty-nine million, nine hundred ninety-three thousand, forty-four".