11125145244454 has 16 divisors (see below), whose sum is σ = 16752611082240. Its totient is φ = 5540949675720.

The previous prime is 11125145244419. The next prime is 11125145244461. The reversal of 11125145244454 is 45444254152111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11125145244454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713307 + ... + 4770649.

It is an arithmetic number, because the mean of its divisors is an integer number (1047038192640).

Almost surely, 2^{11125145244454} is an apocalyptic number.

11125145244454 is a deficient number, since it is larger than the sum of its proper divisors (5627465837786).

11125145244454 is a wasteful number, since it uses less digits than its factorization.

11125145244454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062675.

The product of its digits is 512000, while the sum is 43.

Adding to 11125145244454 its reverse (45444254152111), we get a palindrome (56569399396565).

The spelling of 11125145244454 in words is "eleven trillion, one hundred twenty-five billion, one hundred forty-five million, two hundred forty-four thousand, four hundred fifty-four".