45121585123 has 4 divisors (see below), whose sum is σ = 45122870088. Its totient is φ = 45120300160.

The previous prime is 45121585121. The next prime is 45121585129. The reversal of 45121585123 is 32158512154.

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 45121585123 - 2¹ = 45121585121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45121585121) 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, 588286 + ... + 660547.

It is an arithmetic number, because the mean of its divisors is an integer number (11280717522).

Almost surely, 2^45121585123 is an apocalyptic number.

45121585123 is a deficient number, since it is larger than the sum of its proper divisors (1284965).

45121585123 is a wasteful number, since it uses less digits than its factorization.

45121585123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284964.

The product of its digits is 48000, while the sum is 37.

The spelling of 45121585123 in words is "forty-five billion, one hundred twenty-one million, five hundred eighty-five thousand, one hundred twenty-three".