25150661801 has 16 divisors (see below), whose sum is σ = 26247114240. Its totient is φ = 24073338240.

The previous prime is 25150661707. The next prime is 25150661819. The reversal of 25150661801 is 10816605152.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25150661801 - 2¹⁴ = 25150645417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25150661881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1165730 + ... + 1187108.

It is an arithmetic number, because the mean of its divisors is an integer number (1640444640).

Almost surely, 2^25150661801 is an apocalyptic number.

It is an amenable number.

25150661801 is a deficient number, since it is larger than the sum of its proper divisors (1096452439).

25150661801 is a wasteful number, since it uses less digits than its factorization.

25150661801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 25150661801 in words is "twenty-five billion, one hundred fifty million, six hundred sixty-one thousand, eight hundred one".