11351121455 has 8 divisors (see below), whose sum is σ = 14338258800. Its totient is φ = 8602955136.

The previous prime is 11351121421. The next prime is 11351121491. The reversal of 11351121455 is 55412115311.

It is a happy number.

11351121455 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 11351121455 - 2²⁰ = 11350072879 is a prime.

It is a super-2 number, since 2×11351121455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 59742650 + ... + 59742839.

It is an arithmetic number, because the mean of its divisors is an integer number (1792282350).

Almost surely, 2^11351121455 is an apocalyptic number.

11351121455 is a deficient number, since it is larger than the sum of its proper divisors (2987137345).

11351121455 is a wasteful number, since it uses less digits than its factorization.

11351121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119485513.

The product of its digits is 3000, while the sum is 29.

Adding to 11351121455 its reverse (55412115311), we get a palindrome (66763236766).

The spelling of 11351121455 in words is "eleven billion, three hundred fifty-one million, one hundred twenty-one thousand, four hundred fifty-five".