119182021780 has 24 divisors (see below), whose sum is σ = 256386692520. Its totient is φ = 46510056960.

The previous prime is 119182021769. The next prime is 119182021793. The reversal of 119182021780 is 87120281911.

It can be written as a sum of positive squares in 4 ways, for example, as 10511580676 + 108670441104 = 102526^2 + 329652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72671145 + ... + 72672784.

It is an arithmetic number, because the mean of its divisors is an integer number (10682778855).

Almost surely, 2^119182021780 is an apocalyptic number.

119182021780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

119182021780 is an abundant number, since it is smaller than the sum of its proper divisors (137204670740).

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

119182021780 is a wasteful number, since it uses less digits than its factorization.

119182021780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145343979 (or 145343977 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 119182021780 in words is "one hundred nineteen billion, one hundred eighty-two million, twenty-one thousand, seven hundred eighty".