45512551123 has 8 divisors (see below), whose sum is σ = 49028384048. Its totient is φ = 41998842144.

The previous prime is 45512551121. The next prime is 45512551153. The reversal of 45512551123 is 32115521554.

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

It is a cyclic number.

It is not a de Polignac number, because 45512551123 - 2¹ = 45512551121 is a prime.

It is a super-2 number, since 2×45512551123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512551121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486336 + ... + 572317.

It is an arithmetic number, because the mean of its divisors is an integer number (6128548006).

Almost surely, 2^45512551123 is an apocalyptic number.

45512551123 is a deficient number, since it is larger than the sum of its proper divisors (3515832925).

45512551123 is a wasteful number, since it uses less digits than its factorization.

45512551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061973.

The product of its digits is 30000, while the sum is 34.

The spelling of 45512551123 in words is "forty-five billion, five hundred twelve million, five hundred fifty-one thousand, one hundred twenty-three".