45531781641113 has 2 divisors, whose sum is σ = 45531781641114. Its totient is φ = 45531781641112.

The previous prime is 45531781641089. The next prime is 45531781641221. The reversal of 45531781641113 is 31114618713554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45353328622144 + 178453018969 = 6734488^2 + 422437^2 .

It is a cyclic number.

It is not a de Polignac number, because 45531781641113 - 2¹⁴ = 45531781624729 is a prime.

It is not a weakly prime, because it can be changed into another prime (45531781641613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765890820556 + 22765890820557.

It is an arithmetic number, because the mean of its divisors is an integer number (22765890820557).

Almost surely, 2^{45531781641113} is an apocalyptic number.

It is an amenable number.

45531781641113 is a deficient number, since it is larger than the sum of its proper divisors (1).

45531781641113 is an equidigital number, since it uses as much as digits as its factorization.

45531781641113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The spelling of 45531781641113 in words is "forty-five trillion, five hundred thirty-one billion, seven hundred eighty-one million, six hundred forty-one thousand, one hundred thirteen".