1140387688285 has 16 divisors (see below), whose sum is σ = 1380667901616. Its totient is φ = 904176114688.

The previous prime is 1140387688273. The next prime is 1140387688327. The reversal of 1140387688285 is 5828867830411.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 584119332729 + 556268355556 = 764277^2 + 745834^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140387688285 - 2³¹ = 1138240204637 is a prime.

It is a super-3 number, since 3×1140387688285³ (a number of 37 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9612147 + ... + 9730063.

It is an arithmetic number, because the mean of its divisors is an integer number (86291743851).

Almost surely, 2^{1140387688285} is an apocalyptic number.

It is an amenable number.

1140387688285 is a deficient number, since it is larger than the sum of its proper divisors (240280213331).

1140387688285 is a wasteful number, since it uses less digits than its factorization.

1140387688285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135152.

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 1140387688285 in words is "one trillion, one hundred forty billion, three hundred eighty-seven million, six hundred eighty-eight thousand, two hundred eighty-five".