1188995273452 has 48 divisors (see below), whose sum is σ = 2423742289920. Its totient is φ = 499772475072.

The previous prime is 1188995273449. The next prime is 1188995273461. The reversal of 1188995273452 is 2543725998811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961449 + ... + 4251007.

It is an arithmetic number, because the mean of its divisors is an integer number (50494631040).

Almost surely, 2^{1188995273452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188995273452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211871144960).

1188995273452 is an abundant number, since it is smaller than the sum of its proper divisors (1234747016468).

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

1188995273452 is a wasteful number, since it uses less digits than its factorization.

1188995273452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292390 (or 292388 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

The spelling of 1188995273452 in words is "one trillion, one hundred eighty-eight billion, nine hundred ninety-five million, two hundred seventy-three thousand, four hundred fifty-two".