538581490111 has 4 divisors (see below), whose sum is σ = 615521702992. Its totient is φ = 461641277232.

The previous prime is 538581490099. The next prime is 538581490157. The reversal of 538581490111 is 111094185835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538581490111 - 2⁵ = 538581490079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538581499111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38470106430 + ... + 38470106443.

It is an arithmetic number, because the mean of its divisors is an integer number (153880425748).

Almost surely, 2^538581490111 is an apocalyptic number.

538581490111 is a deficient number, since it is larger than the sum of its proper divisors (76940212881).

538581490111 is an equidigital number, since it uses as much as digits as its factorization.

538581490111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76940212880.

The product of its (nonzero) digits is 172800, while the sum is 46.

The spelling of 538581490111 in words is "five hundred thirty-eight billion, five hundred eighty-one million, four hundred ninety thousand, one hundred eleven".