33157011707 has 4 divisors (see below), whose sum is σ = 33190743120. Its totient is φ = 33123280296.

The previous prime is 33157011703. The next prime is 33157011733. The reversal of 33157011707 is 70711075133.

It is a happy number.

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 33157011707 - 2² = 33157011703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33157011703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16864232 + ... + 16866197.

It is an arithmetic number, because the mean of its divisors is an integer number (8297685780).

Almost surely, 2^33157011707 is an apocalyptic number.

33157011707 is a deficient number, since it is larger than the sum of its proper divisors (33731413).

33157011707 is an equidigital number, since it uses as much as digits as its factorization.

33157011707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33731412.

The product of its (nonzero) digits is 15435, while the sum is 35.

The spelling of 33157011707 in words is "thirty-three billion, one hundred fifty-seven million, eleven thousand, seven hundred seven".