1154542800356 has 36 divisors (see below), whose sum is σ = 2222687755596. Its totient is φ = 524352026880.

The previous prime is 1154542800349. The next prime is 1154542800379. The reversal of 1154542800356 is 6530082454511.

It can be written as a sum of positive squares in 2 ways, for example, as 198039240256 + 956503560100 = 445016^2 + 978010^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

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 11 ways as a sum of consecutive naturals, for example, 422345 + ... + 1577168.

Almost surely, 2^{1154542800356} is an apocalyptic number.

It is an amenable number.

1154542800356 is a deficient number, since it is larger than the sum of its proper divisors (1068144955240).

1154542800356 is a wasteful number, since it uses less digits than its factorization.

1154542800356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000732 (or 2000719 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 1154542800356 in words is "one trillion, one hundred fifty-four billion, five hundred forty-two million, eight hundred thousand, three hundred fifty-six".