35865996081 has 4 divisors (see below), whose sum is σ = 47821328112. Its totient is φ = 23910664052.

The previous prime is 35865996077. The next prime is 35865996121. The reversal of 35865996081 is 18069956853.

35865996081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 35865996081 - 2² = 35865996077 is a prime.

It is a super-2 number, since 2×35865996081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (35865496081) 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, 5977666011 + ... + 5977666016.

It is an arithmetic number, because the mean of its divisors is an integer number (11955332028).

Almost surely, 2^35865996081 is an apocalyptic number.

It is an amenable number.

35865996081 is a deficient number, since it is larger than the sum of its proper divisors (11955332031).

35865996081 is a wasteful number, since it uses less digits than its factorization.

35865996081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955332030.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 35865996081 in words is "thirty-five billion, eight hundred sixty-five million, nine hundred ninety-six thousand, eighty-one".