25155405323 has 2 divisors, whose sum is σ = 25155405324. Its totient is φ = 25155405322.

The previous prime is 25155405299. The next prime is 25155405343. The reversal of 25155405323 is 32350455152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25155405323 - 2¹⁴ = 25155388939 is a prime.

It is not a weakly prime, because it can be changed into another prime (25155405343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577702661 + 12577702662.

It is an arithmetic number, because the mean of its divisors is an integer number (12577702662).

Almost surely, 2^25155405323 is an apocalyptic number.

25155405323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25155405323 is an equidigital number, since it uses as much as digits as its factorization.

25155405323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 25155405323 in words is "twenty-five billion, one hundred fifty-five million, four hundred five thousand, three hundred twenty-three".