42124250025425 has 24 divisors (see below), whose sum is σ = 52249958169600. Its totient is φ = 33689151273600.

The previous prime is 42124250025419. The next prime is 42124250025449. The reversal of 42124250025425 is 52452005242124.

It is not a de Polignac number, because 42124250025425 - 2²⁸ = 42123981589969 is a prime.

It is a super-2 number, since 2×42124250025425² (a number of 28 digits) contains 22 as substring.

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, 1987638629 + ... + 1987659821.

It is an arithmetic number, because the mean of its divisors is an integer number (2177081590400).

Almost surely, 2^{42124250025425} is an apocalyptic number.

It is an amenable number.

42124250025425 is a deficient number, since it is larger than the sum of its proper divisors (10125708144175).

42124250025425 is a wasteful number, since it uses less digits than its factorization.

42124250025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633 (or 41628 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 42124250025425 its reverse (52452005242124), we get a palindrome (94576255267549).

The spelling of 42124250025425 in words is "forty-two trillion, one hundred twenty-four billion, two hundred fifty million, twenty-five thousand, four hundred twenty-five".