10938881505 has 8 divisors (see below), whose sum is σ = 17502210432. Its totient is φ = 5834070128.

The previous prime is 10938881497. The next prime is 10938881531. The reversal of 10938881505 is 50518883901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10938881505 - 2³ = 10938881497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364629369 + ... + 364629398.

It is an arithmetic number, because the mean of its divisors is an integer number (2187776304).

Almost surely, 2^10938881505 is an apocalyptic number.

10938881505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10938881505 is a deficient number, since it is larger than the sum of its proper divisors (6563328927).

10938881505 is an equidigital number, since it uses as much as digits as its factorization.

10938881505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729258775.

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 10938881505 in words is "ten billion, nine hundred thirty-eight million, eight hundred eighty-one thousand, five hundred five".