45511444501 has 2 divisors, whose sum is σ = 45511444502. Its totient is φ = 45511444500.

The previous prime is 45511444487. The next prime is 45511444507. The reversal of 45511444501 is 10544411554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44859663601 + 651780900 = 211801^2 + 25530^2 .

It is a cyclic number.

It is not a de Polignac number, because 45511444501 - 2¹¹ = 45511442453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45511444507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755722250 + 22755722251.

It is an arithmetic number, because the mean of its divisors is an integer number (22755722251).

Almost surely, 2^45511444501 is an apocalyptic number.

It is an amenable number.

45511444501 is a deficient number, since it is larger than the sum of its proper divisors (1).

45511444501 is an equidigital number, since it uses as much as digits as its factorization.

45511444501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 45511444501 in words is "forty-five billion, five hundred eleven million, four hundred forty-four thousand, five hundred one".