11381126004 has 36 divisors (see below), whose sum is σ = 28962051300. Its totient is φ = 3768245760.

The previous prime is 11381125991. The next prime is 11381126011. The reversal of 11381126004 is 40062118311.

It is a happy number.

11381126004 is a `hidden beast` number, since 11 + 38 + 1 + 12 + 600 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1062629604 + 10318496400 = 32598^2 + 101580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055517 + ... + 1066244.

It is an arithmetic number, because the mean of its divisors is an integer number (804501425).

Almost surely, 2^11381126004 is an apocalyptic number.

It is an amenable number.

11381126004 is an abundant number, since it is smaller than the sum of its proper divisors (17580925296).

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

11381126004 is a wasteful number, since it uses less digits than its factorization.

11381126004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121920 (or 2121915 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 11381126004 in words is "eleven billion, three hundred eighty-one million, one hundred twenty-six thousand, four".