191253074112 has 168 divisors, whose sum is σ = 552897446400. Its totient is φ = 63206051328.

The previous prime is 191253074107. The next prime is 191253074113. The reversal of 191253074112 is 211470352191.

It is a happy number.

191253074112 is a `hidden beast` number, since 1 + 9 + 1 + 2 + 530 + 7 + 4 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (191253074113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37011753 + ... + 37016919.

Almost surely, 2^191253074112 is an apocalyptic number.

191253074112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191253074112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276448723200).

191253074112 is an abundant number, since it is smaller than the sum of its proper divisors (361644372288).

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

191253074112 is a wasteful number, since it uses less digits than its factorization.

191253074112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 191253074112 in words is "one hundred ninety-one billion, two hundred fifty-three million, seventy-four thousand, one hundred twelve".