45353215261 has 2 divisors, whose sum is σ = 45353215262. Its totient is φ = 45353215260.

The previous prime is 45353215253. The next prime is 45353215283. The reversal of 45353215261 is 16251235354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35304155236 + 10049060025 = 187894^2 + 100245^2 .

It is a cyclic number.

It is not a de Polignac number, because 45353215261 - 2³ = 45353215253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45353215261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45353015261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22676607630 + 22676607631.

It is an arithmetic number, because the mean of its divisors is an integer number (22676607631).

Almost surely, 2^45353215261 is an apocalyptic number.

It is an amenable number.

45353215261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45353215261 is an equidigital number, since it uses as much as digits as its factorization.

45353215261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The spelling of 45353215261 in words is "forty-five billion, three hundred fifty-three million, two hundred fifteen thousand, two hundred sixty-one".