36111980 has 48 divisors (see below), whose sum is σ = 79422336. Its totient is φ = 13777920.

The previous prime is 36111979. The next prime is 36111991. The reversal of 36111980 is 8911163.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38072 + ... + 39008.

It is an arithmetic number, because the mean of its divisors is an integer number (1654632).

Almost surely, 2^36111980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36111980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39711168).

36111980 is an abundant number, since it is smaller than the sum of its proper divisors (43310356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36111980 is a wasteful number, since it uses less digits than its factorization.

36111980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 36111980 is about 6009.3244212640. The cubic root of 36111980 is about 330.5347314623.

The spelling of 36111980 in words is "thirty-six million, one hundred eleven thousand, nine hundred eighty".