54131541115551 has 8 divisors (see below), whose sum is σ = 73164092101680. Its totient is φ = 35593342103232.

The previous prime is 54131541115517. The next prime is 54131541115577. The reversal of 54131541115551 is 15551114513145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54131541115551 - 2³⁷ = 53994102162079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131541115151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123587993196 + ... + 123587993633.

It is an arithmetic number, because the mean of its divisors is an integer number (9145511512710).

Almost surely, 2^{54131541115551} is an apocalyptic number.

54131541115551 is a deficient number, since it is larger than the sum of its proper divisors (19032550986129).

54131541115551 is a wasteful number, since it uses less digits than its factorization.

54131541115551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247175986905.

The product of its digits is 150000, while the sum is 42.

Adding to 54131541115551 its reverse (15551114513145), we get a palindrome (69682655628696).

The spelling of 54131541115551 in words is "fifty-four trillion, one hundred thirty-one billion, five hundred forty-one million, one hundred fifteen thousand, five hundred fifty-one".