42205133550451 has 2 divisors, whose sum is σ = 42205133550452. Its totient is φ = 42205133550450.

The previous prime is 42205133550421. The next prime is 42205133550491. The reversal of 42205133550451 is 15405533150224.

It is an a-pointer prime, because the next prime (42205133550491) can be obtained adding 42205133550451 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42205133550451 - 2⁷ = 42205133550323 is a prime.

It is a super-2 number, since 2×42205133550451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42205133550401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102566775225 + 21102566775226.

It is an arithmetic number, because the mean of its divisors is an integer number (21102566775226).

Almost surely, 2^{42205133550451} is an apocalyptic number.

42205133550451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42205133550451 is an equidigital number, since it uses as much as digits as its factorization.

42205133550451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 42205133550451 in words is "forty-two trillion, two hundred five billion, one hundred thirty-three million, five hundred fifty thousand, four hundred fifty-one".