36180391499 has 8 divisors (see below), whose sum is σ = 41351880960. Its totient is φ = 31009617576.

The previous prime is 36180391487. The next prime is 36180391543. The reversal of 36180391499 is 99419308163.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36180391499 - 2⁸ = 36180391243 is a prime.

It is a super-2 number, since 2×36180391499² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36180391499.

It is not an unprimeable number, because it can be changed into a prime (36180391409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65759 + ... + 276920.

It is an arithmetic number, because the mean of its divisors is an integer number (5168985120).

Almost surely, 2^36180391499 is an apocalyptic number.

36180391499 is a deficient number, since it is larger than the sum of its proper divisors (5171489461).

36180391499 is a wasteful number, since it uses less digits than its factorization.

36180391499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357769.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 36180391499 in words is "thirty-six billion, one hundred eighty million, three hundred ninety-one thousand, four hundred ninety-nine".