2138831519106 has 64 divisors (see below), whose sum is σ = 4399432704000. Its totient is φ = 692879126016.

The previous prime is 2138831519051. The next prime is 2138831519137. The reversal of 2138831519106 is 6019151388312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23746545 + ... + 23836443.

It is an arithmetic number, because the mean of its divisors is an integer number (68741136000).

Almost surely, 2^{2138831519106} is an apocalyptic number.

2138831519106 is an abundant number, since it is smaller than the sum of its proper divisors (2260601184894).

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

2138831519106 is a wasteful number, since it uses less digits than its factorization.

2138831519106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90543.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 2138831519106 in words is "two trillion, one hundred thirty-eight billion, eight hundred thirty-one million, five hundred nineteen thousand, one hundred six".