1081008001887 has 16 divisors (see below), whose sum is σ = 1578954263040. Its totient is φ = 652415120000.

The previous prime is 1081008001883. The next prime is 1081008001901. The reversal of 1081008001887 is 7881008001801.

It is a cyclic number.

It is not a de Polignac number, because 1081008001887 - 2² = 1081008001883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081008001883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68523114 + ... + 68538887.

It is an arithmetic number, because the mean of its divisors is an integer number (98684641440).

Almost surely, 2^{1081008001887} is an apocalyptic number.

1081008001887 is a deficient number, since it is larger than the sum of its proper divisors (497946261153).

1081008001887 is a wasteful number, since it uses less digits than its factorization.

1081008001887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137062254.

The product of its (nonzero) digits is 28672, while the sum is 42.

The spelling of 1081008001887 in words is "one trillion, eighty-one billion, eight million, one thousand, eight hundred eighty-seven".