45211051505 has 8 divisors (see below), whose sum is σ = 54256425000. Its totient is φ = 36166732416.

The previous prime is 45211051499. The next prime is 45211051547. The reversal of 45211051505 is 50515011254.

It can be written as a sum of positive squares in 4 ways, for example, as 575616064 + 44635435441 = 23992^2 + 211271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45211051505 - 2²⁴ = 45194274289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165980 + ... + 343469.

It is an arithmetic number, because the mean of its divisors is an integer number (6782053125).

Almost surely, 2^45211051505 is an apocalyptic number.

It is an amenable number.

45211051505 is a deficient number, since it is larger than the sum of its proper divisors (9045373495).

45211051505 is a wasteful number, since it uses less digits than its factorization.

45211051505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527203.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 45211051505 its reverse (50515011254), we get a palindrome (95726062759).

The spelling of 45211051505 in words is "forty-five billion, two hundred eleven million, fifty-one thousand, five hundred five".