42520415103 has 32 divisors (see below), whose sum is σ = 63449809920. Its totient is φ = 28141711200.

The previous prime is 42520415089. The next prime is 42520415111. The reversal of 42520415103 is 30151402524.

It is not a de Polignac number, because 42520415103 - 2⁹ = 42520414591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42520415143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12053926 + ... + 12057452.

It is an arithmetic number, because the mean of its divisors is an integer number (1982806560).

Almost surely, 2^42520415103 is an apocalyptic number.

42520415103 is a deficient number, since it is larger than the sum of its proper divisors (20929394817).

42520415103 is a wasteful number, since it uses less digits than its factorization.

42520415103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644 (or 6638 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 42520415103 its reverse (30151402524), we get a palindrome (72671817627).

The spelling of 42520415103 in words is "forty-two billion, five hundred twenty million, four hundred fifteen thousand, one hundred three".