1187596531492 has 288 divisors, whose sum is σ = 2644866072576. Its totient is φ = 463833216000.

The previous prime is 1187596531487. The next prime is 1187596531493. The reversal of 1187596531492 is 2941356957811.

It is a super-2 number, since 2×1187596531492² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1187596531492.

It is not an unprimeable number, because it can be changed into a prime (1187596531493) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3524025148 + ... + 3524025484.

It is an arithmetic number, because the mean of its divisors is an integer number (9183562752).

Almost surely, 2^{1187596531492} 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 1187596531492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322433036288).

1187596531492 is an abundant number, since it is smaller than the sum of its proper divisors (1457269541084).

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

1187596531492 is a wasteful number, since it uses less digits than its factorization.

1187596531492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 718 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 61.

The spelling of 1187596531492 in words is "one trillion, one hundred eighty-seven billion, five hundred ninety-six million, five hundred thirty-one thousand, four hundred ninety-two".