11351551513 has 4 divisors (see below), whose sum is σ = 11351906560. Its totient is φ = 11351196468.

The previous prime is 11351551451. The next prime is 11351551571. The reversal of 11351551513 is 31515515311.

11351551513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11351551513 - 2¹³ = 11351543321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11351557513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 124233 + ... + 195286.

It is an arithmetic number, because the mean of its divisors is an integer number (2837976640).

Almost surely, 2^11351551513 is an apocalyptic number.

It is an amenable number.

11351551513 is a deficient number, since it is larger than the sum of its proper divisors (355047).

11351551513 is an equidigital number, since it uses as much as digits as its factorization.

11351551513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355046.

The product of its digits is 5625, while the sum is 31.

The spelling of 11351551513 in words is "eleven billion, three hundred fifty-one million, five hundred fifty-one thousand, five hundred thirteen".