64111361 has 4 divisors (see below), whose sum is σ = 64138800. Its totient is φ = 64083924.

The previous prime is 64111349. The next prime is 64111391. The reversal of 64111361 is 16311146.

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 64111361 - 2¹⁴ = 64094977 is a prime.

It is a super-2 number, since 2×64111361² = 8220533218544642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64111321) 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, 9851 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (16034700).

Almost surely, 2^64111361 is an apocalyptic number.

It is an amenable number.

64111361 is a deficient number, since it is larger than the sum of its proper divisors (27439).

64111361 is a wasteful number, since it uses less digits than its factorization.

64111361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27438.

The product of its digits is 432, while the sum is 23.

The square root of 64111361 is about 8006.9570374768. The cubic root of 64111361 is about 400.2318676508.

The spelling of 64111361 in words is "sixty-four million, one hundred eleven thousand, three hundred sixty-one".