25011510052 has 12 divisors (see below), whose sum is σ = 44595994716. Its totient is φ = 12269797280.

The previous prime is 25011510031. The next prime is 25011510101. The reversal of 25011510052 is 25001511052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16439342656 + 8572167396 = 128216^2 + 92586^2 .

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, 58989199 + ... + 58989622.

It is an arithmetic number, because the mean of its divisors is an integer number (3716332893).

Almost surely, 2^25011510052 is an apocalyptic number.

It is an amenable number.

25011510052 is a deficient number, since it is larger than the sum of its proper divisors (19584484664).

25011510052 is a wasteful number, since it uses less digits than its factorization.

25011510052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117978878 (or 117978876 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 25011510052 in words is "twenty-five billion, eleven million, five hundred ten thousand, fifty-two".