119991571974 has 24 divisors (see below), whose sum is σ = 260033816952. Its totient is φ = 39989178720.

The previous prime is 119991571961. The next prime is 119991571979. The reversal of 119991571974 is 479175199911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119991571979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574959 + ... + 755354.

It is an arithmetic number, because the mean of its divisors is an integer number (10834742373).

Almost surely, 2^119991571974 is an apocalyptic number.

119991571974 is an abundant number, since it is smaller than the sum of its proper divisors (140042244978).

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

119991571974 is a wasteful number, since it uses less digits than its factorization.

119991571974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335332 (or 1335329 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 63.

The spelling of 119991571974 in words is "one hundred nineteen billion, nine hundred ninety-one million, five hundred seventy-one thousand, nine hundred seventy-four".