45251306117 has 2 divisors, whose sum is σ = 45251306118. Its totient is φ = 45251306116.

The previous prime is 45251306083. The next prime is 45251306141. The reversal of 45251306117 is 71160315254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34791948676 + 10459357441 = 186526^2 + 102271^2 .

It is a cyclic number.

It is not a de Polignac number, because 45251306117 - 2¹⁰ = 45251305093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45251306417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22625653058 + 22625653059.

It is an arithmetic number, because the mean of its divisors is an integer number (22625653059).

Almost surely, 2^45251306117 is an apocalyptic number.

It is an amenable number.

45251306117 is a deficient number, since it is larger than the sum of its proper divisors (1).

45251306117 is an equidigital number, since it uses as much as digits as its factorization.

45251306117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 45251306117 in words is "forty-five billion, two hundred fifty-one million, three hundred six thousand, one hundred seventeen".