25552142051 has 2 divisors, whose sum is σ = 25552142052. Its totient is φ = 25552142050.

The previous prime is 25552142003. The next prime is 25552142089. The reversal of 25552142051 is 15024125552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25552142051 - 2⁶ = 25552141987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25552141999 and 25552142017.

It is not a weakly prime, because it can be changed into another prime (25552145051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776071025 + 12776071026.

It is an arithmetic number, because the mean of its divisors is an integer number (12776071026).

Almost surely, 2^25552142051 is an apocalyptic number.

25552142051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552142051 is an equidigital number, since it uses as much as digits as its factorization.

25552142051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 25552142051 in words is "twenty-five billion, five hundred fifty-two million, one hundred forty-two thousand, fifty-one".