1138038198432 has 24 divisors (see below), whose sum is σ = 2987350271136. Its totient is φ = 379346066112.

The previous prime is 1138038198397. The next prime is 1138038198469. The reversal of 1138038198432 is 2348918308311.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5927282188 + ... + 5927282379.

It is an arithmetic number, because the mean of its divisors is an integer number (124472927964).

Almost surely, 2^{1138038198432} is an apocalyptic number.

1138038198432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1138038198432 is an abundant number, since it is smaller than the sum of its proper divisors (1849312072704).

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

1138038198432 is a wasteful number, since it uses less digits than its factorization.

1138038198432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11854564580 (or 11854564572 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 1138038198432 in words is "one trillion, one hundred thirty-eight billion, thirty-eight million, one hundred ninety-eight thousand, four hundred thirty-two".