11451122146225 has 48 divisors (see below), whose sum is σ = 15441520250880. Its totient is φ = 8391905121600.

The previous prime is 11451122146199. The next prime is 11451122146231. The reversal of 11451122146225 is 52264122115411.

It is a happy number.

It is not a de Polignac number, because 11451122146225 - 2⁵ = 11451122146193 is a prime.

It is a super-2 number, since 2×11451122146225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17690742 + ... + 18326608.

It is an arithmetic number, because the mean of its divisors is an integer number (321698338560).

Almost surely, 2^{11451122146225} is an apocalyptic number.

It is an amenable number.

11451122146225 is a deficient number, since it is larger than the sum of its proper divisors (3990398104655).

11451122146225 is a wasteful number, since it uses less digits than its factorization.

11451122146225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637150 (or 637145 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The spelling of 11451122146225 in words is "eleven trillion, four hundred fifty-one billion, one hundred twenty-two million, one hundred forty-six thousand, two hundred twenty-five".