11425550413 has 4 divisors (see below), whose sum is σ = 11819534940. Its totient is φ = 11031565888.

The previous prime is 11425550407. The next prime is 11425550431. The reversal of 11425550413 is 31405552411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31405552411 = 1283 ⋅24478217.

It can be written as a sum of positive squares in 2 ways, for example, as 7956104809 + 3469445604 = 89197^2 + 58902^2 .

It is a cyclic number.

It is not a de Polignac number, because 11425550413 - 2⁹ = 11425549901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425550453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196992220 + ... + 196992277.

It is an arithmetic number, because the mean of its divisors is an integer number (2954883735).

Almost surely, 2^11425550413 is an apocalyptic number.

It is an amenable number.

11425550413 is a deficient number, since it is larger than the sum of its proper divisors (393984527).

11425550413 is an equidigital number, since it uses as much as digits as its factorization.

11425550413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393984526.

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

It can be divided in two parts, 1142 and 5550413, that added together give a palindrome (5551555).

The spelling of 11425550413 in words is "eleven billion, four hundred twenty-five million, five hundred fifty thousand, four hundred thirteen".