1187583086125 has 32 divisors (see below), whose sum is σ = 1532993559552. Its totient is φ = 917894736000.

The previous prime is 1187583086113. The next prime is 1187583086171. The reversal of 1187583086125 is 5216803857811.

It is not a de Polignac number, because 1187583086125 - 2²¹ = 1187580988973 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596997 + ... + 1652746.

It is an arithmetic number, because the mean of its divisors is an integer number (47906048736).

Almost surely, 2^{1187583086125} is an apocalyptic number.

It is an amenable number.

1187583086125 is a deficient number, since it is larger than the sum of its proper divisors (345410473427).

1187583086125 is a wasteful number, since it uses less digits than its factorization.

1187583086125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249902 (or 2249892 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 1187583086125 in words is "one trillion, one hundred eighty-seven billion, five hundred eighty-three million, eighty-six thousand, one hundred twenty-five".