33057805061 has 4 divisors (see below), whose sum is σ = 33129204672. Its totient is φ = 32986405452.

The previous prime is 33057805051. The next prime is 33057805087. The reversal of 33057805061 is 16050875033.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16050875033 = 67 ⋅239565299.

It is a cyclic number.

It is not a de Polignac number, because 33057805061 - 2²⁶ = 32990696197 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 (33057805051) 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, 35699111 + ... + 35700036.

It is an arithmetic number, because the mean of its divisors is an integer number (8282301168).

Almost surely, 2^33057805061 is an apocalyptic number.

It is an amenable number.

33057805061 is a deficient number, since it is larger than the sum of its proper divisors (71399611).

33057805061 is an equidigital number, since it uses as much as digits as its factorization.

33057805061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71399610.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 33057805061 in words is "thirty-three billion, fifty-seven million, eight hundred five thousand, sixty-one".