42252155107 has 2 divisors, whose sum is σ = 42252155108. Its totient is φ = 42252155106.

The previous prime is 42252155093. The next prime is 42252155111. The reversal of 42252155107 is 70155125224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42252155107 - 2³¹ = 40104671459 is a prime.

It is a super-2 number, since 2×42252155107² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42252155207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126077553 + 21126077554.

It is an arithmetic number, because the mean of its divisors is an integer number (21126077554).

Almost surely, 2^42252155107 is an apocalyptic number.

42252155107 is a deficient number, since it is larger than the sum of its proper divisors (1).

42252155107 is an equidigital number, since it uses as much as digits as its factorization.

42252155107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 42252155107 in words is "forty-two billion, two hundred fifty-two million, one hundred fifty-five thousand, one hundred seven".