42012644415025 has 24 divisors (see below), whose sum is σ = 52974946886400. Its totient is φ = 33047553614400.

The previous prime is 42012644415013. The next prime is 42012644415037. The reversal of 42012644415025 is 52051444621024.

It is an interprime number because it is at equal distance from previous prime (42012644415013) and next prime (42012644415037).

It is not a de Polignac number, because 42012644415025 - 2⁹ = 42012644414513 is a prime.

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, 58488385 + ... + 59202334.

It is an arithmetic number, because the mean of its divisors is an integer number (2207289453600).

Almost surely, 2^{42012644415025} is an apocalyptic number.

It is an amenable number.

42012644415025 is a deficient number, since it is larger than the sum of its proper divisors (10962302471375).

42012644415025 is a wasteful number, since it uses less digits than its factorization.

42012644415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117690969 (or 117690964 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 42012644415025 in words is "forty-two trillion, twelve billion, six hundred forty-four million, four hundred fifteen thousand, twenty-five".