1150185111552 has 528 divisors, whose sum is σ = 3596967143952. Its totient is φ = 366917713920.

The previous prime is 1150185111541. The next prime is 1150185111571. The reversal of 1150185111552 is 2551115810511.

1150185111552 is a `hidden beast` number, since 1 + 1 + 50 + 1 + 8 + 51 + 1 + 1 + 552 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18855493602 + ... + 18855493662.

Almost surely, 2^{1150185111552} is an apocalyptic number.

1150185111552 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 1150185111552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798483571976).

1150185111552 is an abundant number, since it is smaller than the sum of its proper divisors (2446782032400).

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

1150185111552 is an frugal number, since it uses more digits than its factorization.

1150185111552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 36.

The spelling of 1150185111552 in words is "one trillion, one hundred fifty billion, one hundred eighty-five million, one hundred eleven thousand, five hundred fifty-two".