11259550789 has 4 divisors (see below), whose sum is σ = 11921877324. Its totient is φ = 10597224256.

The previous prime is 11259550787. The next prime is 11259550807. The reversal of 11259550789 is 98705595211.

It is a happy number.

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 5367760225 + 5891790564 = 73265^2 + 76758^2 .

It is a cyclic number.

It is not a de Polignac number, because 11259550789 - 2¹ = 11259550787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11259550787) 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, 331163242 + ... + 331163275.

It is an arithmetic number, because the mean of its divisors is an integer number (2980469331).

Almost surely, 2^11259550789 is an apocalyptic number.

It is an amenable number.

11259550789 is a deficient number, since it is larger than the sum of its proper divisors (662326535).

11259550789 is an equidigital number, since it uses as much as digits as its factorization.

11259550789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662326534.

The product of its (nonzero) digits is 1134000, while the sum is 52.

The spelling of 11259550789 in words is "eleven billion, two hundred fifty-nine million, five hundred fifty thousand, seven hundred eighty-nine".