11455142131222 has 16 divisors (see below), whose sum is σ = 17267880363552. Its totient is φ = 5699214550720.

The previous prime is 11455142131163. The next prime is 11455142131247. The reversal of 11455142131222 is 22213124155411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7430173 + ... + 8838424.

It is an arithmetic number, because the mean of its divisors is an integer number (1079242522722).

Almost surely, 2^{11455142131222} is an apocalyptic number.

11455142131222 is a deficient number, since it is larger than the sum of its proper divisors (5812738232330).

11455142131222 is a wasteful number, since it uses less digits than its factorization.

11455142131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270343.

The product of its digits is 19200, while the sum is 34.

Adding to 11455142131222 its reverse (22213124155411), we get a palindrome (33668266286633).

The spelling of 11455142131222 in words is "eleven trillion, four hundred fifty-five billion, one hundred forty-two million, one hundred thirty-one thousand, two hundred twenty-two".