133111366797 has 4 divisors (see below), whose sum is σ = 177481822400. Its totient is φ = 88740911196.

The previous prime is 133111366789. The next prime is 133111366807. The reversal of 133111366797 is 797663111331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133111366797 - 2³ = 133111366789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111366747) 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, 22185227797 + ... + 22185227802.

It is an arithmetic number, because the mean of its divisors is an integer number (44370455600).

Almost surely, 2^133111366797 is an apocalyptic number.

It is an amenable number.

133111366797 is a deficient number, since it is larger than the sum of its proper divisors (44370455603).

133111366797 is an equidigital number, since it uses as much as digits as its factorization.

133111366797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44370455602.

The product of its digits is 428652, while the sum is 48.

The spelling of 133111366797 in words is "one hundred thirty-three billion, one hundred eleven million, three hundred sixty-six thousand, seven hundred ninety-seven".