1187010687885 has 96 divisors (see below), whose sum is σ = 2103337756800. Its totient is φ = 571187527680.

The previous prime is 1187010687847. The next prime is 1187010688007. The reversal of 1187010687885 is 5887860107811.

It is not a de Polignac number, because 1187010687885 - 2¹⁰ = 1187010686861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157278682 + ... + 157286228.

It is an arithmetic number, because the mean of its divisors is an integer number (21909768300).

Almost surely, 2^{1187010687885} is an apocalyptic number.

1187010687885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1187010687885 is a deficient number, since it is larger than the sum of its proper divisors (916327068915).

1187010687885 is a wasteful number, since it uses less digits than its factorization.

1187010687885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219 (or 8208 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 60.

The spelling of 1187010687885 in words is "one trillion, one hundred eighty-seven billion, ten million, six hundred eighty-seven thousand, eight hundred eighty-five".