11890851832 has 8 divisors (see below), whose sum is σ = 22295347200. Its totient is φ = 5945425912.

The previous prime is 11890851803. The next prime is 11890851839. The reversal of 11890851832 is 23815809811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890851839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743178232 + ... + 743178247.

It is an arithmetic number, because the mean of its divisors is an integer number (2786918400).

Almost surely, 2^11890851832 is an apocalyptic number.

It is an amenable number.

11890851832 is a deficient number, since it is larger than the sum of its proper divisors (10404495368).

11890851832 is a wasteful number, since it uses less digits than its factorization.

11890851832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486356485 (or 1486356481 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 11890851832 in words is "eleven billion, eight hundred ninety million, eight hundred fifty-one thousand, eight hundred thirty-two".