1187194802388 has 48 divisors (see below), whose sum is σ = 3203995630080. Its totient is φ = 335111783904.

The previous prime is 1187194802369. The next prime is 1187194802401. The reversal of 1187194802388 is 8832084917811.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 85133218 + ... + 85147161.

It is an arithmetic number, because the mean of its divisors is an integer number (66749908960).

Almost surely, 2^{1187194802388} is an apocalyptic number.

It is an amenable number.

1187194802388 is an abundant number, since it is smaller than the sum of its proper divisors (2016800827692).

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

1187194802388 is a wasteful number, since it uses less digits than its factorization.

1187194802388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170280476 (or 170280474 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 60.

The spelling of 1187194802388 in words is "one trillion, one hundred eighty-seven billion, one hundred ninety-four million, eight hundred two thousand, three hundred eighty-eight".