111990957150 has 96 divisors (see below), whose sum is σ = 292801759488. Its totient is φ = 28271232000.

The previous prime is 111990957107. The next prime is 111990957163. The reversal of 111990957150 is 51759099111.

It is a super-2 number, since 2×111990957150² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111990957150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167325 + ... + 501975.

It is an arithmetic number, because the mean of its divisors is an integer number (3050018328).

Almost surely, 2^111990957150 is an apocalyptic number.

111990957150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 334650×334651.

It is a practical number, because each smaller number is the sum of distinct divisors of 111990957150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146400879744).

111990957150 is an abundant number, since it is smaller than the sum of its proper divisors (180810802338).

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

111990957150 is a wasteful number, since it uses less digits than its factorization.

111990957150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334786 (or 334781 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 48.

The spelling of 111990957150 in words is "one hundred eleven billion, nine hundred ninety million, nine hundred fifty-seven thousand, one hundred fifty".