1187152793808 has 20 divisors (see below), whose sum is σ = 3066811384128. Its totient is φ = 395717597920.

The previous prime is 1187152793797. The next prime is 1187152793809. The reversal of 1187152793808 is 8083972517811.

It is a super-2 number, since 2×1187152793808² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187152793809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12366174888 + ... + 12366174983.

Almost surely, 2^{1187152793808} is an apocalyptic number.

It is an amenable number.

1187152793808 is an abundant number, since it is smaller than the sum of its proper divisors (1879658590320).

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

1187152793808 is a wasteful number, since it uses less digits than its factorization.

1187152793808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24732349882 (or 24732349876 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 60.

The spelling of 1187152793808 in words is "one trillion, one hundred eighty-seven billion, one hundred fifty-two million, seven hundred ninety-three thousand, eight hundred eight".