11403044273412 has 288 divisors, whose sum is σ = 33113802129408. Its totient is φ = 3277118880000.

The previous prime is 11403044273399. The next prime is 11403044273431. The reversal of 11403044273412 is 21437244030411.

11403044273412 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 304 + 4 + 2 + 7 + 341 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 145517362 + ... + 145595702.

It is an arithmetic number, because the mean of its divisors is an integer number (114978479616).

Almost surely, 2^{11403044273412} is an apocalyptic number.

11403044273412 is a gapful number since it is divisible by the number (12) 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 11403044273412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16556901064704).

11403044273412 is an abundant number, since it is smaller than the sum of its proper divisors (21710757855996).

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

11403044273412 is a wasteful number, since it uses less digits than its factorization.

11403044273412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78631 (or 78626 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 11403044273412 in words is "eleven trillion, four hundred three billion, forty-four million, two hundred seventy-three thousand, four hundred twelve".