45091511 has 2 divisors, whose sum is σ = 45091512. Its totient is φ = 45091510.

The previous prime is 45091451. The next prime is 45091537. The reversal of 45091511 is 11519054.

It is an a-pointer prime, because the next prime (45091537) can be obtained adding 45091511 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45091511 - 2¹⁴ = 45075127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45091411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22545755 + 22545756.

It is an arithmetic number, because the mean of its divisors is an integer number (22545756).

Almost surely, 2^45091511 is an apocalyptic number.

45091511 is a deficient number, since it is larger than the sum of its proper divisors (1).

45091511 is an equidigital number, since it uses as much as digits as its factorization.

45091511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 45091511 is about 6715.0212955731. The cubic root of 45091511 is about 355.9302745026.

The spelling of 45091511 in words is "forty-five million, ninety-one thousand, five hundred eleven".