25434923158050 has 72 divisors (see below), whose sum is σ = 73377157931856. Its totient is φ = 5813696720160.

The previous prime is 25434923158027. The next prime is 25434923158061. The reversal of 25434923158050 is 5085132943452.

It is a junction number, because it is equal to n+sod(n) for n = 25434923157984 and 25434923158002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1730259532 + ... + 1730274231.

It is an arithmetic number, because the mean of its divisors is an integer number (1019127193498).

Almost surely, 2^{25434923158050} is an apocalyptic number.

25434923158050 is an abundant number, since it is smaller than the sum of its proper divisors (47942234773806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25434923158050 is a wasteful number, since it uses less digits than its factorization.

25434923158050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460533792 (or 3460533780 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 25434923158050 in words is "twenty-five trillion, four hundred thirty-four billion, nine hundred twenty-three million, one hundred fifty-eight thousand, fifty".