1087187400144 has 60 divisors (see below), whose sum is σ = 3042756332356. Its totient is φ = 362378935296.

The previous prime is 1087187400127. The next prime is 1087187400157. The reversal of 1087187400144 is 4410047817801.

1087187400144 is a `hidden beast` number, since 10 + 87 + 18 + 7 + 400 + 144 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 889037780544 + 198149619600 = 942888^2 + 445140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1087187400144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3146814 + ... + 3475170.

Almost surely, 2^{1087187400144} is an apocalyptic number.

It is an amenable number.

1087187400144 is an abundant number, since it is smaller than the sum of its proper divisors (1955568932212).

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

1087187400144 is a wasteful number, since it uses less digits than its factorization.

1087187400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351364 (or 351355 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The spelling of 1087187400144 in words is "one trillion, eighty-seven billion, one hundred eighty-seven million, four hundred thousand, one hundred forty-four".