11401212425 has 24 divisors (see below), whose sum is σ = 14502211680. Its totient is φ = 8886729600.

The previous prime is 11401212421. The next prime is 11401212437. The reversal of 11401212425 is 52421210411.

It is not a de Polignac number, because 11401212425 - 2² = 11401212421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11401212425.

It is not an unprimeable number, because it can be changed into a prime (11401212421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426710 + ... + 452640.

It is an arithmetic number, because the mean of its divisors is an integer number (604258820).

Almost surely, 2^11401212425 is an apocalyptic number.

It is an amenable number.

11401212425 is a deficient number, since it is larger than the sum of its proper divisors (3100999255).

11401212425 is a wasteful number, since it uses less digits than its factorization.

11401212425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26393 (or 26388 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11401212425 its reverse (52421210411), we get a palindrome (63822422836).

The spelling of 11401212425 in words is "eleven billion, four hundred one million, two hundred twelve thousand, four hundred twenty-five".