11252230078 has 4 divisors (see below), whose sum is σ = 16878345120. Its totient is φ = 5626115038.

The previous prime is 11252230069. The next prime is 11252230081. The reversal of 11252230078 is 87003225211.

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

It is a super-2 number, since 2×11252230078² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813057518 + ... + 2813057521.

It is an arithmetic number, because the mean of its divisors is an integer number (4219586280).

Almost surely, 2^11252230078 is an apocalyptic number.

11252230078 is a deficient number, since it is larger than the sum of its proper divisors (5626115042).

11252230078 is an equidigital number, since it uses as much as digits as its factorization.

11252230078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626115041.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 11252230078 its reverse (87003225211), we get a palindrome (98255455289).

The spelling of 11252230078 in words is "eleven billion, two hundred fifty-two million, two hundred thirty thousand, seventy-eight".