11890838050497 has 24 divisors (see below), whose sum is σ = 20306193061440. Its totient is φ = 6560462371680.

The previous prime is 11890838050463. The next prime is 11890838050517. The reversal of 11890838050497 is 79405083809811.

11890838050497 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 0 + 8 + 38 + 0 + 504 + 97 = 666.

It is not a de Polignac number, because 11890838050497 - 2¹¹ = 11890838048449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (11890838050397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3254195779 + ... + 3254199432.

It is an arithmetic number, because the mean of its divisors is an integer number (846091377560).

Almost surely, 2^{11890838050497} is an apocalyptic number.

It is an amenable number.

11890838050497 is a deficient number, since it is larger than the sum of its proper divisors (8415355010943).

11890838050497 is a wasteful number, since it uses less digits than its factorization.

11890838050497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508395253 (or 6508395250 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 11890838050497 in words is "eleven trillion, eight hundred ninety billion, eight hundred thirty-eight million, fifty thousand, four hundred ninety-seven".