11554515352231 has 8 divisors (see below), whose sum is σ = 11799341785440. Its totient is φ = 11310682130592.

The previous prime is 11554515352217. The next prime is 11554515352291. The reversal of 11554515352231 is 13225351545511.

11554515352231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11554515352231 - 2²¹ = 11554513255079 is a prime.

It is a super-2 number, since 2×11554515352231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554515352291) 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, 248279380 + ... + 248325913.

It is an arithmetic number, because the mean of its divisors is an integer number (1474917723180).

Almost surely, 2^{11554515352231} is an apocalyptic number.

11554515352231 is a deficient number, since it is larger than the sum of its proper divisors (244826433209).

11554515352231 is an equidigital number, since it uses as much as digits as its factorization.

11554515352231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496605785.

The product of its digits is 450000, while the sum is 43.

Adding to 11554515352231 its reverse (13225351545511), we get a palindrome (24779866897742).

The spelling of 11554515352231 in words is "eleven trillion, five hundred fifty-four billion, five hundred fifteen million, three hundred fifty-two thousand, two hundred thirty-one".