45566763505 has 4 divisors (see below), whose sum is σ = 54680116212. Its totient is φ = 36453410800.

The previous prime is 45566763479. The next prime is 45566763511. The reversal of 45566763505 is 50536766554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50536766554 = 2 ⋅25268383277.

It can be written as a sum of positive squares in 2 ways, for example, as 6371870976 + 39194892529 = 79824^2 + 197977^2 .

It is not a de Polignac number, because 45566763505 - 2¹³ = 45566755313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4556676346 + ... + 4556676355.

It is an arithmetic number, because the mean of its divisors is an integer number (13670029053).

Almost surely, 2^45566763505 is an apocalyptic number.

It is an amenable number.

45566763505 is a deficient number, since it is larger than the sum of its proper divisors (9113352707).

45566763505 is an equidigital number, since it uses as much as digits as its factorization.

45566763505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113352706.

The product of its (nonzero) digits is 11340000, while the sum is 52.

The spelling of 45566763505 in words is "forty-five billion, five hundred sixty-six million, seven hundred sixty-three thousand, five hundred five".