11213125454 has 8 divisors (see below), whose sum is σ = 16883642160. Its totient is φ = 5585244736.

The previous prime is 11213125423. The next prime is 11213125493. The reversal of 11213125454 is 45452131211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11213125454² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10658339 + ... + 10659390.

It is an arithmetic number, because the mean of its divisors is an integer number (2110455270).

Almost surely, 2^11213125454 is an apocalyptic number.

11213125454 is a deficient number, since it is larger than the sum of its proper divisors (5670516706).

11213125454 is a wasteful number, since it uses less digits than its factorization.

11213125454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21317994.

The product of its digits is 4800, while the sum is 29.

Adding to 11213125454 its reverse (45452131211), we get a palindrome (56665256665).

The spelling of 11213125454 in words is "eleven billion, two hundred thirteen million, one hundred twenty-five thousand, four hundred fifty-four".