2045345552501 has 2 divisors, whose sum is σ = 2045345552502. Its totient is φ = 2045345552500.

The previous prime is 2045345552413. The next prime is 2045345552519. The reversal of 2045345552501 is 1052555435402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1320419319025 + 724926233476 = 1149095^2 + 851426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045345552501 - 2¹⁰ = 2045345551477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045345552581) by changing a digit.

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 as a sum of consecutive naturals, namely, 1022672776250 + 1022672776251.

It is an arithmetic number, because the mean of its divisors is an integer number (1022672776251).

Almost surely, 2^{2045345552501} is an apocalyptic number.

It is an amenable number.

2045345552501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045345552501 is an equidigital number, since it uses as much as digits as its factorization.

2045345552501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 2045345552501 in words is "two trillion, forty-five billion, three hundred forty-five million, five hundred fifty-two thousand, five hundred one".