45012110491 has 2 divisors, whose sum is σ = 45012110492. Its totient is φ = 45012110490.

The previous prime is 45012110483. The next prime is 45012110501. The reversal of 45012110491 is 19401121054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45012110491 - 2³ = 45012110483 is a prime.

It is a super-2 number, since 2×45012110491² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45012110411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22506055245 + 22506055246.

It is an arithmetic number, because the mean of its divisors is an integer number (22506055246).

Almost surely, 2^45012110491 is an apocalyptic number.

45012110491 is a deficient number, since it is larger than the sum of its proper divisors (1).

45012110491 is an equidigital number, since it uses as much as digits as its factorization.

45012110491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 45012110491 in words is "forty-five billion, twelve million, one hundred ten thousand, four hundred ninety-one".