11893863500 has 48 divisors (see below), whose sum is σ = 27105624000. Its totient is φ = 4550691200.

The previous prime is 11893863491. The next prime is 11893863503. The reversal of 11893863500 is 536839811.

It is not an unprimeable number, because it can be changed into a prime (11893863503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505625 + ... + 528624.

It is an arithmetic number, because the mean of its divisors is an integer number (564700500).

Almost surely, 2^11893863500 is an apocalyptic number.

11893863500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11893863500 is an abundant number, since it is smaller than the sum of its proper divisors (15211760500).

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

11893863500 is a wasteful number, since it uses less digits than its factorization.

11893863500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034291 (or 1034279 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 11893863500 in words is "eleven billion, eight hundred ninety-three million, eight hundred sixty-three thousand, five hundred".