54126121420305 has 64 divisors (see below), whose sum is σ = 104973072019200. Its totient is φ = 26242667919360.

The previous prime is 54126121420279. The next prime is 54126121420337. The reversal of 54126121420305 is 50302412162145.

54126121420305 is a `hidden beast` number, since 5 + 4 + 1 + 2 + 612 + 1 + 4 + 2 + 0 + 30 + 5 = 666.

It is not a de Polignac number, because 54126121420305 - 2³¹ = 54123973936657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54126121420305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185326131 + ... + 185617959.

It is an arithmetic number, because the mean of its divisors is an integer number (1640204250300).

Almost surely, 2^{54126121420305} is an apocalyptic number.

54126121420305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54126121420305 is a deficient number, since it is larger than the sum of its proper divisors (50846950598895).

54126121420305 is a wasteful number, since it uses less digits than its factorization.

54126121420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416751 (or 416745 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 54126121420305 in words is "fifty-four trillion, one hundred twenty-six billion, one hundred twenty-one million, four hundred twenty thousand, three hundred five".