25276550601242 has 16 divisors (see below), whose sum is σ = 37946710305000. Its totient is φ = 12627648445440.

The previous prime is 25276550601217. The next prime is 25276550601307. The reversal of 25276550601242 is 24210605567252.

It is a Cunningham number, because it is equal to 5027579²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 23029066897321 + 2247483703921 = 4798861^2 + 1499161^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40289642 + ... + 40912202.

Almost surely, 2^{25276550601242} is an apocalyptic number.

25276550601242 is a deficient number, since it is larger than the sum of its proper divisors (12670159703758).

25276550601242 is a wasteful number, since it uses less digits than its factorization.

25276550601242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639601.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 25276550601242 in words is "twenty-five trillion, two hundred seventy-six billion, five hundred fifty million, six hundred one thousand, two hundred forty-two".