36117291990780 has 384 divisors, whose sum is σ = 150867571599360. Its totient is φ = 6927592366080.

The previous prime is 36117291990737. The next prime is 36117291990821. The reversal of 36117291990780 is 8709919271163.

36117291990780 is a `hidden beast` number, since 3 + 611 + 7 + 2 + 9 + 1 + 9 + 9 + 0 + 7 + 8 + 0 = 666.

It is a super-2 number, since 2×36117291990780² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32867989 + ... + 33949068.

It is an arithmetic number, because the mean of its divisors is an integer number (392884301040).

Almost surely, 2^{36117291990780} is an apocalyptic number.

36117291990780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36117291990780 is an abundant number, since it is smaller than the sum of its proper divisors (114750279608580).

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

36117291990780 is a wasteful number, since it uses less digits than its factorization.

36117291990780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66817106 (or 66817098 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 63.

The spelling of 36117291990780 in words is "thirty-six trillion, one hundred seventeen billion, two hundred ninety-one million, nine hundred ninety thousand, seven hundred eighty".