1191152115312 has 40 divisors (see below), whose sum is σ = 3148704434304. Its totient is φ = 387816967104.

The previous prime is 1191152115287. The next prime is 1191152115341. The reversal of 1191152115312 is 2135112511911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288552228 + ... + 288556355.

Almost surely, 2^{1191152115312} is an apocalyptic number.

1191152115312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1191152115312 is an abundant number, since it is smaller than the sum of its proper divisors (1957552318992).

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

1191152115312 is a wasteful number, since it uses less digits than its factorization.

1191152115312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577108637 (or 577108631 counting only the distinct ones).

The product of its digits is 2700, while the sum is 33.

The spelling of 1191152115312 in words is "one trillion, one hundred ninety-one billion, one hundred fifty-two million, one hundred fifteen thousand, three hundred twelve".