54145111131 has 12 divisors (see below), whose sum is σ = 78220403352. Its totient is φ = 36091756896.

The previous prime is 54145111121. The next prime is 54145111169. The reversal of 54145111131 is 13111154145.

It is a happy number.

54145111131 is a `hidden beast` number, since 5 + 4 + 14 + 511 + 1 + 131 = 666.

It is not a de Polignac number, because 54145111131 - 2⁶ = 54145111067 is a prime.

It is a super-2 number, since 2×54145111131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54145111095 and 54145111104.

It is not an unprimeable number, because it can be changed into a prime (54145111121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 345906 + ... + 477431.

It is an arithmetic number, because the mean of its divisors is an integer number (6518366946).

Almost surely, 2^54145111131 is an apocalyptic number.

54145111131 is a deficient number, since it is larger than the sum of its proper divisors (24075292221).

54145111131 is a wasteful number, since it uses less digits than its factorization.

54145111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830650 (or 830647 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

Adding to 54145111131 its reverse (13111154145), we get a palindrome (67256265276).

The spelling of 54145111131 in words is "fifty-four billion, one hundred forty-five million, one hundred eleven thousand, one hundred thirty-one".