45505235081 has 2 divisors, whose sum is σ = 45505235082. Its totient is φ = 45505235080.

The previous prime is 45505235003. The next prime is 45505235101. The reversal of 45505235081 is 18053250554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43881870400 + 1623364681 = 209480^2 + 40291^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505235081 - 2¹⁰ = 45505234057 is a prime.

It is a super-2 number, since 2×45505235081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45505235681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752617540 + 22752617541.

It is an arithmetic number, because the mean of its divisors is an integer number (22752617541).

Almost surely, 2^45505235081 is an apocalyptic number.

It is an amenable number.

45505235081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505235081 is an equidigital number, since it uses as much as digits as its factorization.

45505235081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 45505235081 in words is "forty-five billion, five hundred five million, two hundred thirty-five thousand, eighty-one".