25050768121 has 8 divisors (see below), whose sum is σ = 25194580488. Its totient is φ = 24907344000.

The previous prime is 25050768103. The next prime is 25050768131. The reversal of 25050768121 is 12186705052.

It can be written as a sum of positive squares in 4 ways, for example, as 4044324025 + 21006444096 = 63595^2 + 144936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25050768121 - 2¹¹ = 25050766073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25050768131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32851 + ... + 226231.

It is an arithmetic number, because the mean of its divisors is an integer number (3149322561).

Almost surely, 2^25050768121 is an apocalyptic number.

It is an amenable number.

25050768121 is a deficient number, since it is larger than the sum of its proper divisors (143812367).

25050768121 is a wasteful number, since it uses less digits than its factorization.

25050768121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194123.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 25050768121 in words is "twenty-five billion, fifty million, seven hundred sixty-eight thousand, one hundred twenty-one".