42512150403 has 22 divisors (see below), whose sum is σ = 63767954204. Its totient is φ = 28341394236.

The previous prime is 42512150377. The next prime is 42512150407. The reversal of 42512150403 is 30405121524.

42512150403 is a `hidden beast` number, since 4 + 251 + 2 + 1 + 5 + 0 + 403 = 666.

It is not a de Polignac number, because 42512150403 - 2⁵ = 42512150371 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42512150407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 300925 + ... + 419022.

Almost surely, 2^42512150403 is an apocalyptic number.

42512150403 is a deficient number, since it is larger than the sum of its proper divisors (21255803801).

42512150403 is an frugal number, since it uses more digits than its factorization.

42512150403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719977 (or 719950 counting only the distinct ones).

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

Adding to 42512150403 its reverse (30405121524), we get a palindrome (72917271927).

The spelling of 42512150403 in words is "forty-two billion, five hundred twelve million, one hundred fifty thousand, four hundred three".