13881532275 has 96 divisors (see below), whose sum is σ = 27581568000. Its totient is φ = 6804362880.

The previous prime is 13881532267. The next prime is 13881532337. The reversal of 13881532275 is 57223518831.

13881532275 is a `hidden beast` number, since 1 + 38 + 81 + 532 + 2 + 7 + 5 = 666.

It is not a de Polignac number, because 13881532275 - 2³ = 13881532267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13881532275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2093916 + ... + 2100534.

It is an arithmetic number, because the mean of its divisors is an integer number (287308000).

Almost surely, 2^13881532275 is an apocalyptic number.

13881532275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13881532275 is a deficient number, since it is larger than the sum of its proper divisors (13700035725).

13881532275 is a wasteful number, since it uses less digits than its factorization.

13881532275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6879 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The spelling of 13881532275 in words is "thirteen billion, eight hundred eighty-one million, five hundred thirty-two thousand, two hundred seventy-five".