36658481911 has 4 divisors (see below), whose sum is σ = 36788939424. Its totient is φ = 36528024400.

The previous prime is 36658481887. The next prime is 36658482001. The reversal of 36658481911 is 11918485663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11918485663 = 7 ⋅1702640809.

It is a cyclic number.

It is not a de Polignac number, because 36658481911 - 2²³ = 36650093303 is a prime.

It is a super-2 number, since 2×36658481911² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36658481011) 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, 65228335 + ... + 65228896.

It is an arithmetic number, because the mean of its divisors is an integer number (9197234856).

Almost surely, 2^36658481911 is an apocalyptic number.

36658481911 is a deficient number, since it is larger than the sum of its proper divisors (130457513).

36658481911 is a wasteful number, since it uses less digits than its factorization.

36658481911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130457512.

The product of its digits is 1244160, while the sum is 52.

The spelling of 36658481911 in words is "thirty-six billion, six hundred fifty-eight million, four hundred eighty-one thousand, nine hundred eleven".