401551550303 has 2 divisors, whose sum is σ = 401551550304. Its totient is φ = 401551550302.

The previous prime is 401551550269. The next prime is 401551550341. The reversal of 401551550303 is 303055155104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401551550303 - 2¹⁰ = 401551549279 is a prime.

It is a super-2 number, since 2×401551550303² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401551550303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401551550363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200775775151 + 200775775152.

It is an arithmetic number, because the mean of its divisors is an integer number (200775775152).

Almost surely, 2^401551550303 is an apocalyptic number.

401551550303 is a deficient number, since it is larger than the sum of its proper divisors (1).

401551550303 is an equidigital number, since it uses as much as digits as its factorization.

401551550303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 401551550303 in words is "four hundred one billion, five hundred fifty-one million, five hundred fifty thousand, three hundred three".