1087900133845 has 16 divisors (see below), whose sum is σ = 1495199761920. Its totient is φ = 744377445504.

The previous prime is 1087900133797. The next prime is 1087900133863. The reversal of 1087900133845 is 5483310097801.

It is a happy number.

It is not a de Polignac number, because 1087900133845 - 2¹¹ = 1087900131797 is a prime.

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, 33550600 + ... + 33583009.

It is an arithmetic number, because the mean of its divisors is an integer number (93449985120).

Almost surely, 2^{1087900133845} is an apocalyptic number.

It is an amenable number.

1087900133845 is a deficient number, since it is larger than the sum of its proper divisors (407299628075).

1087900133845 is an equidigital number, since it uses as much as digits as its factorization.

1087900133845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67134084.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1087900133845 in words is "one trillion, eighty-seven billion, nine hundred million, one hundred thirty-three thousand, eight hundred forty-five".