11512335045553 has 8 divisors (see below), whose sum is σ = 11653869686760. Its totient is φ = 11371266746880.

The previous prime is 11512335045509. The next prime is 11512335045571. The reversal of 11512335045553 is 35554053321511.

It can be written as a sum of positive squares in 4 ways, for example, as 6432148124224 + 5080186921329 = 2536168^2 + 2253927^2 .

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 11512335045553 - 2⁹ = 11512335045041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512335045053) 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, 116535958 + ... + 116634703.

It is an arithmetic number, because the mean of its divisors is an integer number (1456733710845).

Almost surely, 2^{11512335045553} is an apocalyptic number.

It is an amenable number.

11512335045553 is a deficient number, since it is larger than the sum of its proper divisors (141534641207).

11512335045553 is an equidigital number, since it uses as much as digits as its factorization.

11512335045553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233171267.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 11512335045553 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-five million, forty-five thousand, five hundred fifty-three".