1187599143997 has 16 divisors (see below), whose sum is σ = 1384816545792. Its totient is φ = 997447757040.

The previous prime is 1187599143937. The next prime is 1187599144049. The reversal of 1187599143997 is 7993419957811.

It is a de Polignac number, because none of the positive numbers 2^k-1187599143997 is a prime.

It is a super-2 number, since 2×1187599143997² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187599143917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7248853 + ... + 7410874.

It is an arithmetic number, because the mean of its divisors is an integer number (86551034112).

Almost surely, 2^{1187599143997} is an apocalyptic number.

It is an amenable number.

1187599143997 is a deficient number, since it is larger than the sum of its proper divisors (197217401795).

1187599143997 is a wasteful number, since it uses less digits than its factorization.

1187599143997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659968.

The product of its digits is 154314720, while the sum is 73.

The spelling of 1187599143997 in words is "one trillion, one hundred eighty-seven billion, five hundred ninety-nine million, one hundred forty-three thousand, nine hundred ninety-seven".