11125435634 has 4 divisors (see below), whose sum is σ = 16688153454. Its totient is φ = 5562717816.

The previous prime is 11125435631. The next prime is 11125435637. The reversal of 11125435634 is 43653452111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43653452111 = 1423 ⋅30677057.

It is an interprime number because it is at equal distance from previous prime (11125435631) and next prime (11125435637).

It can be written as a sum of positive squares in only one way, i.e., 9907216225 + 1218219409 = 99535^2 + 34903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11125435594 and 11125435603.

It is not an unprimeable number, because it can be changed into a prime (11125435631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781358907 + ... + 2781358910.

Almost surely, 2^11125435634 is an apocalyptic number.

11125435634 is a deficient number, since it is larger than the sum of its proper divisors (5562717820).

11125435634 is an equidigital number, since it uses as much as digits as its factorization.

11125435634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562717819.

The product of its digits is 43200, while the sum is 35.

Adding to 11125435634 its reverse (43653452111), we get a palindrome (54778887745).

The spelling of 11125435634 in words is "eleven billion, one hundred twenty-five million, four hundred thirty-five thousand, six hundred thirty-four".