41553765251 has 2 divisors, whose sum is σ = 41553765252. Its totient is φ = 41553765250.

The previous prime is 41553765221. The next prime is 41553765259. The reversal of 41553765251 is 15256735514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41553765251 - 2²² = 41549570947 is a prime.

It is not a weakly prime, because it can be changed into another prime (41553765259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20776882625 + 20776882626.

It is an arithmetic number, because the mean of its divisors is an integer number (20776882626).

Almost surely, 2^41553765251 is an apocalyptic number.

41553765251 is a deficient number, since it is larger than the sum of its proper divisors (1).

41553765251 is an equidigital number, since it uses as much as digits as its factorization.

41553765251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630000, while the sum is 44.

The spelling of 41553765251 in words is "forty-one billion, five hundred fifty-three million, seven hundred sixty-five thousand, two hundred fifty-one".