1154135543213 has 8 divisors (see below), whose sum is σ = 1157164895640. Its totient is φ = 1151106511680.

The previous prime is 1154135543177. The next prime is 1154135543219. The reversal of 1154135543213 is 3123455314511.

It can be written as a sum of positive squares in 4 ways, for example, as 643200792004 + 510934751209 = 801998^2 + 714797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1154135543213 - 2⁶ = 1154135543149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154135543219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8254103 + ... + 8392763.

It is an arithmetic number, because the mean of its divisors is an integer number (144645611955).

Almost surely, 2^{1154135543213} is an apocalyptic number.

It is an amenable number.

1154135543213 is a deficient number, since it is larger than the sum of its proper divisors (3029352427).

1154135543213 is a wasteful number, since it uses less digits than its factorization.

1154135543213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160447.

The product of its digits is 108000, while the sum is 38.

The spelling of 1154135543213 in words is "one trillion, one hundred fifty-four billion, one hundred thirty-five million, five hundred forty-three thousand, two hundred thirteen".