42141550545511 has 2 divisors, whose sum is σ = 42141550545512. Its totient is φ = 42141550545510.

The previous prime is 42141550545509. The next prime is 42141550545583. The reversal of 42141550545511 is 11554505514124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42141550545511 - 2¹ = 42141550545509 is a prime.

It is a super-2 number, since 2×42141550545511² (a number of 28 digits) contains 22 as substring.

Together with 42141550545509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42141554545511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070775272755 + 21070775272756.

It is an arithmetic number, because the mean of its divisors is an integer number (21070775272756).

Almost surely, 2^{42141550545511} is an apocalyptic number.

42141550545511 is a deficient number, since it is larger than the sum of its proper divisors (1).

42141550545511 is an equidigital number, since it uses as much as digits as its factorization.

42141550545511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400000, while the sum is 43.

The spelling of 42141550545511 in words is "forty-two trillion, one hundred forty-one billion, five hundred fifty million, five hundred forty-five thousand, five hundred eleven".