45416121181 has 4 divisors (see below), whose sum is σ = 45519575200. Its totient is φ = 45312667164.

The previous prime is 45416121143. The next prime is 45416121203. The reversal of 45416121181 is 18112161454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45416121181 - 2³³ = 36826186589 is a prime.

It is a super-2 number, since 2×45416121181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45416121481) 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, 51726351 + ... + 51727228.

It is an arithmetic number, because the mean of its divisors is an integer number (11379893800).

Almost surely, 2^45416121181 is an apocalyptic number.

It is an amenable number.

45416121181 is a deficient number, since it is larger than the sum of its proper divisors (103454019).

45416121181 is a wasteful number, since it uses less digits than its factorization.

45416121181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103454018.

The product of its digits is 7680, while the sum is 34.

The spelling of 45416121181 in words is "forty-five billion, four hundred sixteen million, one hundred twenty-one thousand, one hundred eighty-one".