42015433451025 has 48 divisors (see below), whose sum is σ = 70980836721408. Its totient is φ = 21919920000000.

The previous prime is 42015433450993. The next prime is 42015433451077. The reversal of 42015433451025 is 52015433451024.

It is not a de Polignac number, because 42015433451025 - 2⁵ = 42015433450993 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, 3566025 + ... + 9836025.

It is an arithmetic number, because the mean of its divisors is an integer number (1478767431696).

Almost surely, 2^{42015433451025} is an apocalyptic number.

It is an amenable number.

42015433451025 is a deficient number, since it is larger than the sum of its proper divisors (28965403270383).

42015433451025 is a wasteful number, since it uses less digits than its factorization.

42015433451025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271962 (or 6271957 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Subtracting 42015433451025 from its reverse (52015433451024), we obtain a palindrome (9999999999999).

The spelling of 42015433451025 in words is "forty-two trillion, fifteen billion, four hundred thirty-three million, four hundred fifty-one thousand, twenty-five".