42530145535505 has 16 divisors (see below), whose sum is σ = 53722604998080. Its totient is φ = 32233183918272.

The previous prime is 42530145535489. The next prime is 42530145535523. The reversal of 42530145535505 is 50553554103524.

It is a cyclic number.

It is not a de Polignac number, because 42530145535505 - 2⁴ = 42530145535489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42530145535505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16136087 + ... + 18585843.

It is an arithmetic number, because the mean of its divisors is an integer number (3357662812380).

Almost surely, 2^{42530145535505} is an apocalyptic number.

It is an amenable number.

42530145535505 is a deficient number, since it is larger than the sum of its proper divisors (11192459462575).

42530145535505 is a wasteful number, since it uses less digits than its factorization.

42530145535505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632528.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 42530145535505 in words is "forty-two trillion, five hundred thirty billion, one hundred forty-five million, five hundred thirty-five thousand, five hundred five".