10938881502 has 48 divisors (see below), whose sum is σ = 24404627520. Its totient is φ = 3538541376.

The previous prime is 10938881497. The next prime is 10938881531. The reversal of 10938881502 is 20518883901.

It is a happy number.

10938881502 is a `hidden beast` number, since 109 + 38 + 8 + 8 + 1 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237963 + ... + 280185.

It is an arithmetic number, because the mean of its divisors is an integer number (508429740).

Almost surely, 2^10938881502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10938881502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12202313760).

10938881502 is an abundant number, since it is smaller than the sum of its proper divisors (13465746018).

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

10938881502 is a wasteful number, since it uses less digits than its factorization.

10938881502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42657 (or 42654 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 10938881502 in words is "ten billion, nine hundred thirty-eight million, eight hundred eighty-one thousand, five hundred two".