45504212251 has 2 divisors, whose sum is σ = 45504212252. Its totient is φ = 45504212250.

The previous prime is 45504212231. The next prime is 45504212267. The reversal of 45504212251 is 15221240554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45504212251 - 2¹³ = 45504204059 is a prime.

It is not a weakly prime, because it can be changed into another prime (45504212231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752106125 + 22752106126.

It is an arithmetic number, because the mean of its divisors is an integer number (22752106126).

Almost surely, 2^45504212251 is an apocalyptic number.

45504212251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45504212251 is an equidigital number, since it uses as much as digits as its factorization.

45504212251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 45504212251 in words is "forty-five billion, five hundred four million, two hundred twelve thousand, two hundred fifty-one".