42021155130425 has 24 divisors (see below), whose sum is σ = 54552432795840. Its totient is φ = 32066662913600.

The previous prime is 42021155130343. The next prime is 42021155130523. The reversal of 42021155130425 is 52403155112024.

It is not a de Polignac number, because 42021155130425 - 2³² = 42016860163129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349097741 + ... + 349218090.

It is an arithmetic number, because the mean of its divisors is an integer number (2273018033160).

Almost surely, 2^{42021155130425} is an apocalyptic number.

It is an amenable number.

42021155130425 is a deficient number, since it is larger than the sum of its proper divisors (12531277665415).

42021155130425 is a wasteful number, since it uses less digits than its factorization.

42021155130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698315953 (or 698315948 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 42021155130425 in words is "forty-two trillion, twenty-one billion, one hundred fifty-five million, one hundred thirty thousand, four hundred twenty-five".