11890900052 has 24 divisors (see below), whose sum is σ = 21030964416. Its totient is φ = 5882242688.

The previous prime is 11890900027. The next prime is 11890900057. The reversal of 11890900052 is 25000909811.

It is a junction number, because it is equal to n+sod(n) for n = 11890899985 and 11890900021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890900057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231113 + ... + 277839.

It is an arithmetic number, because the mean of its divisors is an integer number (876290184).

Almost surely, 2^11890900052 is an apocalyptic number.

It is an amenable number.

11890900052 is a deficient number, since it is larger than the sum of its proper divisors (9140064364).

11890900052 is a wasteful number, since it uses less digits than its factorization.

11890900052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47407 (or 47405 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 11890900052 in words is "eleven billion, eight hundred ninety million, nine hundred thousand, fifty-two".