11129994475258 has 4 divisors (see below), whose sum is σ = 16694991712890. Its totient is φ = 5564997237628.

The previous prime is 11129994475207. The next prime is 11129994475261. The reversal of 11129994475258 is 85257449992111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7033406331249 + 4096588144009 = 2652057^2 + 2024003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11129994475193 and 11129994475202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782498618813 + ... + 2782498618816.

Almost surely, 2^{11129994475258} is an apocalyptic number.

11129994475258 is a deficient number, since it is larger than the sum of its proper divisors (5564997237632).

11129994475258 is an equidigital number, since it uses as much as digits as its factorization.

11129994475258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564997237631.

The product of its digits is 65318400, while the sum is 67.

The spelling of 11129994475258 in words is "eleven trillion, one hundred twenty-nine billion, nine hundred ninety-four million, four hundred seventy-five thousand, two hundred fifty-eight".