11223551425 has 24 divisors (see below), whose sum is σ = 13986964152. Its totient is φ = 8933952000.

The previous prime is 11223551411. The next prime is 11223551441. The reversal of 11223551425 is 52415532211.

It can be written as a sum of positive squares in 12 ways, for example, as 11219258241 + 4293184 = 105921^2 + 2072^2 .

It is not a de Polignac number, because 11223551425 - 2²³ = 11215162817 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 6029995 + ... + 6031855.

It is an arithmetic number, because the mean of its divisors is an integer number (582790173).

Almost surely, 2^11223551425 is an apocalyptic number.

It is an amenable number.

11223551425 is a deficient number, since it is larger than the sum of its proper divisors (2763412727).

11223551425 is a wasteful number, since it uses less digits than its factorization.

11223551425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2944 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The spelling of 11223551425 in words is "eleven billion, two hundred twenty-three million, five hundred fifty-one thousand, four hundred twenty-five".