43121425054 has 4 divisors (see below), whose sum is σ = 64682137584. Its totient is φ = 21560712526.

The previous prime is 43121424971. The next prime is 43121425093. The reversal of 43121425054 is 45052412134.

43121425054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10780356262 + ... + 10780356265.

It is an arithmetic number, because the mean of its divisors is an integer number (16170534396).

Almost surely, 2^43121425054 is an apocalyptic number.

43121425054 is a deficient number, since it is larger than the sum of its proper divisors (21560712530).

43121425054 is a wasteful number, since it uses less digits than its factorization.

43121425054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21560712529.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 43121425054 its reverse (45052412134), we get a palindrome (88173837188).

The spelling of 43121425054 in words is "forty-three billion, one hundred twenty-one million, four hundred twenty-five thousand, fifty-four".