25501042352 has 20 divisors (see below), whose sum is σ = 51112003920. Its totient is φ = 12310847808.

The previous prime is 25501042349. The next prime is 25501042361. The reversal of 25501042352 is 25324010552.

It is a super-2 number, since 2×25501042352² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27479108 + ... + 27480035.

It is an arithmetic number, because the mean of its divisors is an integer number (2555600196).

Almost surely, 2^25501042352 is an apocalyptic number.

It is an amenable number.

25501042352 is an abundant number, since it is smaller than the sum of its proper divisors (25610961568).

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

25501042352 is a wasteful number, since it uses less digits than its factorization.

25501042352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54959180 (or 54959174 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 25501042352 in words is "twenty-five billion, five hundred one million, forty-two thousand, three hundred fifty-two".