1187416884521 has 8 divisors (see below), whose sum is σ = 1357159665600. Its totient is φ = 1017702052848.

The previous prime is 1187416884463. The next prime is 1187416884523. The reversal of 1187416884521 is 1254886147811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1187416884521 - 2³⁸ = 912538977577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1187416884523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896231 + ... + 7066316.

It is an arithmetic number, because the mean of its divisors is an integer number (169644958200).

Almost surely, 2^{1187416884521} is an apocalyptic number.

It is an amenable number.

1187416884521 is a deficient number, since it is larger than the sum of its proper divisors (169742781079).

1187416884521 is a wasteful number, since it uses less digits than its factorization.

1187416884521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974703.

The product of its digits is 3440640, while the sum is 56.

The spelling of 1187416884521 in words is "one trillion, one hundred eighty-seven billion, four hundred sixteen million, eight hundred eighty-four thousand, five hundred twenty-one".