1010520105042 has 32 divisors (see below), whose sum is σ = 2316416643072. Its totient is φ = 287887979664.

The previous prime is 1010520105029. The next prime is 1010520105079. The reversal of 1010520105042 is 2405010250101.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 34654018 + ... + 34683165.

It is an arithmetic number, because the mean of its divisors is an integer number (72388020096).

Almost surely, 2^{1010520105042} is an apocalyptic number.

1010520105042 is an abundant number, since it is smaller than the sum of its proper divisors (1305896538030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010520105042 is a wasteful number, since it uses less digits than its factorization.

1010520105042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69337542.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 1010520105042 its reverse (2405010250101), we get a palindrome (3415530355143).

The spelling of 1010520105042 in words is "one trillion, ten billion, five hundred twenty million, one hundred five thousand, forty-two".