54445122111142 has 64 divisors (see below), whose sum is σ = 93848174484480. Its totient is φ = 23205585283200.

The previous prime is 54445122111071. The next prime is 54445122111143. The reversal of 54445122111142 is 24111122154445.

It is a super-2 number, since 2×54445122111142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445122111143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8618822568 + ... + 8618828884.

It is an arithmetic number, because the mean of its divisors is an integer number (1466377726320).

Almost surely, 2^{54445122111142} is an apocalyptic number.

54445122111142 is a deficient number, since it is larger than the sum of its proper divisors (39403052373338).

54445122111142 is a wasteful number, since it uses less digits than its factorization.

54445122111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837.

The product of its digits is 51200, while the sum is 37.

Adding to 54445122111142 its reverse (24111122154445), we get a palindrome (78556244265587).

The spelling of 54445122111142 in words is "fifty-four trillion, four hundred forty-five billion, one hundred twenty-two million, one hundred eleven thousand, one hundred forty-two".