45205053544251 has 6 divisors (see below), whose sum is σ = 65296188452820. Its totient is φ = 30136702362828.

The previous prime is 45205053544249. The next prime is 45205053544333. The reversal of 45205053544251 is 15244535050254.

45205053544251 is a `hidden beast` number, since 4 + 5 + 2 + 0 + 5 + 0 + 53 + 544 + 2 + 51 = 666.

It is not a de Polignac number, because 45205053544251 - 2¹ = 45205053544249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45205053544197 and 45205053544206.

It is not an unprimeable number, because it can be changed into a prime (45205053544241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2511391863561 + ... + 2511391863578.

It is an arithmetic number, because the mean of its divisors is an integer number (10882698075470).

Almost surely, 2^{45205053544251} is an apocalyptic number.

45205053544251 is a deficient number, since it is larger than the sum of its proper divisors (20091134908569).

45205053544251 is a wasteful number, since it uses less digits than its factorization.

45205053544251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022783727145 (or 5022783727142 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 45205053544251 in words is "forty-five trillion, two hundred five billion, fifty-three million, five hundred forty-four thousand, two hundred fifty-one".