25563562653151 has 2 divisors, whose sum is σ = 25563562653152. Its totient is φ = 25563562653150.

The previous prime is 25563562653091. The next prime is 25563562653191. The reversal of 25563562653151 is 15135626536552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25563562653151 - 2²³ = 25563554264543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25563562653092 and 25563562653101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25563562653191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781781326575 + 12781781326576.

It is an arithmetic number, because the mean of its divisors is an integer number (12781781326576).

Almost surely, 2^{25563562653151} is an apocalyptic number.

25563562653151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25563562653151 is an equidigital number, since it uses as much as digits as its factorization.

25563562653151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300000, while the sum is 55.

The spelling of 25563562653151 in words is "twenty-five trillion, five hundred sixty-three billion, five hundred sixty-two million, six hundred fifty-three thousand, one hundred fifty-one".