10955989044 has 720 divisors, whose sum is σ = 40273183104. Its totient is φ = 2525022720.

The previous prime is 10955989013. The next prime is 10955989061. The reversal of 10955989044 is 44098955901.

10955989044 is a `hidden beast` number, since 1 + 0 + 9 + 5 + 598 + 9 + 0 + 44 = 666.

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 239 ways as a sum of consecutive naturals, for example, 131999827 + ... + 131999909.

Almost surely, 2^10955989044 is an apocalyptic number.

10955989044 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 10955989044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20136591552).

10955989044 is an abundant number, since it is smaller than the sum of its proper divisors (29317194060).

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

10955989044 is a wasteful number, since it uses less digits than its factorization.

10955989044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

It can be divided in two parts, 10955 and 989044, that added together give a palindrome (999999).

The spelling of 10955989044 in words is "ten billion, nine hundred fifty-five million, nine hundred eighty-nine thousand, forty-four".