25154621041 has 32 divisors (see below), whose sum is σ = 28740096000. Its totient is φ = 21812743680.

The previous prime is 25154621033. The next prime is 25154621053. The reversal of 25154621041 is 14012645152.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25154621041 - 2³ = 25154621033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25154620994 and 25154621012.

It is not an unprimeable number, because it can be changed into a prime (25154621941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13315425 + ... + 13317313.

It is an arithmetic number, because the mean of its divisors is an integer number (898128000).

Almost surely, 2^25154621041 is an apocalyptic number.

It is an amenable number.

25154621041 is a deficient number, since it is larger than the sum of its proper divisors (3585474959).

25154621041 is a wasteful number, since it uses less digits than its factorization.

25154621041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 25154621041 in words is "twenty-five billion, one hundred fifty-four million, six hundred twenty-one thousand, forty-one".