13955091500 has 96 divisors (see below), whose sum is σ = 36665341440. Its totient is φ = 4532760000.

The previous prime is 13955091499. The next prime is 13955091503. The reversal of 13955091500 is 519055931.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (13955091503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38426 + ... + 171425.

It is an arithmetic number, because the mean of its divisors is an integer number (381930640).

Almost surely, 2^13955091500 is an apocalyptic number.

13955091500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13955091500 is an abundant number, since it is smaller than the sum of its proper divisors (22710249940).

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

13955091500 is a wasteful number, since it uses less digits than its factorization.

13955091500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209896 (or 209884 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 38.

The spelling of 13955091500 in words is "thirteen billion, nine hundred fifty-five million, ninety-one thousand, five hundred".