1140025561554 has 32 divisors (see below), whose sum is σ = 2510148041280. Its totient is φ = 342292910400.

The previous prime is 1140025561547. The next prime is 1140025561579. The reversal of 1140025561554 is 4551655200411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79227277 + ... + 79241664.

It is an arithmetic number, because the mean of its divisors is an integer number (78442126290).

Almost surely, 2^{1140025561554} is an apocalyptic number.

1140025561554 is an abundant number, since it is smaller than the sum of its proper divisors (1370122479726).

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

1140025561554 is a wasteful number, since it uses less digits than its factorization.

1140025561554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158469066.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 1140025561554 in words is "one trillion, one hundred forty billion, twenty-five million, five hundred sixty-one thousand, five hundred fifty-four".