133111130405 has 16 divisors (see below), whose sum is σ = 174335661504. Its totient is φ = 96763044480.

The previous prime is 133111130389. The next prime is 133111130413. The reversal of 133111130405 is 504031111331.

It is not a de Polignac number, because 133111130405 - 2⁴ = 133111130389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443639 + ... + 680468.

It is an arithmetic number, because the mean of its divisors is an integer number (10895978844).

Almost surely, 2^133111130405 is an apocalyptic number.

It is an amenable number.

133111130405 is a deficient number, since it is larger than the sum of its proper divisors (41224531099).

133111130405 is a wasteful number, since it uses less digits than its factorization.

133111130405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126276.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 133111130405 its reverse (504031111331), we get a palindrome (637142241736).

The spelling of 133111130405 in words is "one hundred thirty-three billion, one hundred eleven million, one hundred thirty thousand, four hundred five".