1154233662613 has 4 divisors (see below), whose sum is σ = 1164822962380. Its totient is φ = 1143644362848.

The previous prime is 1154233662611. The next prime is 1154233662619. The reversal of 1154233662613 is 3162663324511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 714833048484 + 439400614129 = 845478^2 + 662873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154233662613 - 2¹ = 1154233662611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154233662613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154233662611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294649720 + ... + 5294649937.

It is an arithmetic number, because the mean of its divisors is an integer number (291205740595).

Almost surely, 2^{1154233662613} is an apocalyptic number.

It is an amenable number.

1154233662613 is a deficient number, since it is larger than the sum of its proper divisors (10589299767).

1154233662613 is a wasteful number, since it uses less digits than its factorization.

1154233662613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589299766.

The product of its digits is 466560, while the sum is 43.

The spelling of 1154233662613 in words is "one trillion, one hundred fifty-four billion, two hundred thirty-three million, six hundred sixty-two thousand, six hundred thirteen".