54145326432511 has 4 divisors (see below), whose sum is σ = 54147018347352. Its totient is φ = 54143634517672.

The previous prime is 54145326432503. The next prime is 54145326432557. The reversal of 54145326432511 is 11523462354145.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54145326432511 - 2³ = 54145326432503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145326433511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845909416 + ... + 845973421.

It is an arithmetic number, because the mean of its divisors is an integer number (13536754586838).

Almost surely, 2^{54145326432511} is an apocalyptic number.

54145326432511 is a deficient number, since it is larger than the sum of its proper divisors (1691914841).

54145326432511 is a wasteful number, since it uses less digits than its factorization.

54145326432511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691914840.

The product of its digits is 1728000, while the sum is 46.

Adding to 54145326432511 its reverse (11523462354145), we get a palindrome (65668788786656).

The spelling of 54145326432511 in words is "fifty-four trillion, one hundred forty-five billion, three hundred twenty-six million, four hundred thirty-two thousand, five hundred eleven".