45415411987 has 4 divisors (see below), whose sum is σ = 49544085816. Its totient is φ = 41286738160.

The previous prime is 45415411961. The next prime is 45415411997. The reversal of 45415411987 is 78911451454.

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 45415411987 - 2⁷ = 45415411859 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45415411987.

It is not an unprimeable number, because it can be changed into a prime (45415411927) 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, 2064336898 + ... + 2064336919.

It is an arithmetic number, because the mean of its divisors is an integer number (12386021454).

Almost surely, 2^45415411987 is an apocalyptic number.

45415411987 is a deficient number, since it is larger than the sum of its proper divisors (4128673829).

45415411987 is a wasteful number, since it uses less digits than its factorization.

45415411987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128673828.

The product of its digits is 806400, while the sum is 49.

The spelling of 45415411987 in words is "forty-five billion, four hundred fifteen million, four hundred eleven thousand, nine hundred eighty-seven".