42531515335425 has 48 divisors (see below), whose sum is σ = 70351765323840. Its totient is φ = 22672834679040.

The previous prime is 42531515335417. The next prime is 42531515335469. The reversal of 42531515335425 is 52453351513524.

It is not a de Polignac number, because 42531515335425 - 2³ = 42531515335417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1632486699 + ... + 1632512751.

It is an arithmetic number, because the mean of its divisors is an integer number (1465661777580).

Almost surely, 2^{42531515335425} is an apocalyptic number.

It is an amenable number.

42531515335425 is a deficient number, since it is larger than the sum of its proper divisors (27820249988415).

42531515335425 is a wasteful number, since it uses less digits than its factorization.

42531515335425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35442 (or 35437 counting only the distinct ones).

The product of its digits is 5400000, while the sum is 48.

Adding to 42531515335425 its reverse (52453351513524), we get a palindrome (94984866848949).

The spelling of 42531515335425 in words is "forty-two trillion, five hundred thirty-one billion, five hundred fifteen million, three hundred thirty-five thousand, four hundred twenty-five".