45195550851 has 16 divisors (see below), whose sum is σ = 66320749440. Its totient is φ = 27148840320.

The previous prime is 45195550849. The next prime is 45195550871. The reversal of 45195550851 is 15805559154.

It is not a de Polignac number, because 45195550851 - 2¹ = 45195550849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45195550851.

It is not an unprimeable number, because it can be changed into a prime (45195550811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6056281 + ... + 6063738.

It is an arithmetic number, because the mean of its divisors is an integer number (4145046840).

Almost surely, 2^45195550851 is an apocalyptic number.

45195550851 is a deficient number, since it is larger than the sum of its proper divisors (21125198589).

45195550851 is a wasteful number, since it uses less digits than its factorization.

45195550851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120146.

The product of its (nonzero) digits is 900000, while the sum is 48.

The spelling of 45195550851 in words is "forty-five billion, one hundred ninety-five million, five hundred fifty thousand, eight hundred fifty-one".