25150215067 has 2 divisors, whose sum is σ = 25150215068. Its totient is φ = 25150215066.

The previous prime is 25150215023. The next prime is 25150215071. The reversal of 25150215067 is 76051205152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25150215067 - 2³¹ = 23002731419 is a prime.

It is not a weakly prime, because it can be changed into another prime (25150215767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575107533 + 12575107534.

It is an arithmetic number, because the mean of its divisors is an integer number (12575107534).

Almost surely, 2^25150215067 is an apocalyptic number.

25150215067 is a deficient number, since it is larger than the sum of its proper divisors (1).

25150215067 is an equidigital number, since it uses as much as digits as its factorization.

25150215067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 25150215067 in words is "twenty-five billion, one hundred fifty million, two hundred fifteen thousand, sixty-seven".