25520343119 has 2 divisors, whose sum is σ = 25520343120. Its totient is φ = 25520343118.

The previous prime is 25520343103. The next prime is 25520343127. The reversal of 25520343119 is 91134302552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25520343119 - 2⁴ = 25520343103 is a prime.

It is a super-2 number, since 2×25520343119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25520343619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12760171559 + 12760171560.

It is an arithmetic number, because the mean of its divisors is an integer number (12760171560).

Almost surely, 2^25520343119 is an apocalyptic number.

25520343119 is a deficient number, since it is larger than the sum of its proper divisors (1).

25520343119 is an equidigital number, since it uses as much as digits as its factorization.

25520343119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 25520343119 in words is "twenty-five billion, five hundred twenty million, three hundred forty-three thousand, one hundred nineteen".