1154005753442 has 16 divisors (see below), whose sum is σ = 1823370199200. Its totient is φ = 546257548800.

The previous prime is 1154005753379. The next prime is 1154005753501. The reversal of 1154005753442 is 2443575004511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154005753442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10409567 + ... + 10519842.

It is an arithmetic number, because the mean of its divisors is an integer number (113960637450).

Almost surely, 2^{1154005753442} is an apocalyptic number.

1154005753442 is a deficient number, since it is larger than the sum of its proper divisors (669364445758).

1154005753442 is a wasteful number, since it uses less digits than its factorization.

1154005753442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930881.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 1154005753442 in words is "one trillion, one hundred fifty-four billion, five million, seven hundred fifty-three thousand, four hundred forty-two".