45199855886 has 4 divisors (see below), whose sum is σ = 67799783832. Its totient is φ = 22599927942.

The previous prime is 45199855873. The next prime is 45199855889. The reversal of 45199855886 is 68855899154.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45199855889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11299963970 + ... + 11299963973.

It is an arithmetic number, because the mean of its divisors is an integer number (16949945958).

Almost surely, 2^45199855886 is an apocalyptic number.

45199855886 is a deficient number, since it is larger than the sum of its proper divisors (22599927946).

45199855886 is a wasteful number, since it uses less digits than its factorization.

45199855886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22599927945.

The product of its digits is 124416000, while the sum is 68.

The spelling of 45199855886 in words is "forty-five billion, one hundred ninety-nine million, eight hundred fifty-five thousand, eight hundred eighty-six".