25875106542 has 48 divisors (see below), whose sum is σ = 56444573952. Its totient is φ = 8566434240.

The previous prime is 25875106531. The next prime is 25875106573. The reversal of 25875106542 is 24560157852.

25875106542 is a `hidden beast` number, since 2 + 5 + 87 + 510 + 6 + 54 + 2 = 666.

It is a super-2 number, since 2×25875106542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2321968 + ... + 2333084.

It is an arithmetic number, because the mean of its divisors is an integer number (1175928624).

Almost surely, 2^25875106542 is an apocalyptic number.

25875106542 is an abundant number, since it is smaller than the sum of its proper divisors (30569467410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25875106542 is a wasteful number, since it uses less digits than its factorization.

25875106542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993 (or 11990 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 25875106542 in words is "twenty-five billion, eight hundred seventy-five million, one hundred six thousand, five hundred forty-two".