42011350253 has 2 divisors, whose sum is σ = 42011350254. Its totient is φ = 42011350252.

The previous prime is 42011350247. The next prime is 42011350333. The reversal of 42011350253 is 35205311024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40676032489 + 1335317764 = 201683^2 + 36542^2 .

It is a cyclic number.

It is not a de Polignac number, because 42011350253 - 2⁴ = 42011350237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42011350553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005675126 + 21005675127.

It is an arithmetic number, because the mean of its divisors is an integer number (21005675127).

Almost surely, 2^42011350253 is an apocalyptic number.

It is an amenable number.

42011350253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42011350253 is an equidigital number, since it uses as much as digits as its factorization.

42011350253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 42011350253 its reverse (35205311024), we get a palindrome (77216661277).

The spelling of 42011350253 in words is "forty-two billion, eleven million, three hundred fifty thousand, two hundred fifty-three".