11510432345 has 4 divisors (see below), whose sum is σ = 13812518820. Its totient is φ = 9208345872.

The previous prime is 11510432341. The next prime is 11510432371. The reversal of 11510432345 is 54323401511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54323401511 = 19387 ⋅2802053.

It can be written as a sum of positive squares in 2 ways, for example, as 8509693504 + 3000738841 = 92248^2 + 54779^2 .

It is a cyclic number.

It is not a de Polignac number, because 11510432345 - 2² = 11510432341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11510432341) 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, 1151043230 + ... + 1151043239.

It is an arithmetic number, because the mean of its divisors is an integer number (3453129705).

Almost surely, 2^11510432345 is an apocalyptic number.

It is an amenable number.

11510432345 is a deficient number, since it is larger than the sum of its proper divisors (2302086475).

11510432345 is an equidigital number, since it uses as much as digits as its factorization.

11510432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302086474.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11510432345 its reverse (54323401511), we get a palindrome (65833833856).

The spelling of 11510432345 in words is "eleven billion, five hundred ten million, four hundred thirty-two thousand, three hundred forty-five".