25251353315140 has 48 divisors (see below), whose sum is σ = 56174109196464. Its totient is φ = 9501823385600.

The previous prime is 25251353315113. The next prime is 25251353315263. The reversal of 25251353315140 is 4151335315252.

It can be written as a sum of positive squares in 8 ways, for example, as 3413751397956 + 21837601917184 = 1847634^2 + 4673072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25251353315093 and 25251353315102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17136931 + ... + 18552010.

It is an arithmetic number, because the mean of its divisors is an integer number (1170293941593).

Almost surely, 2^{25251353315140} is an apocalyptic number.

25251353315140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25251353315140 is an abundant number, since it is smaller than the sum of its proper divisors (30922755881324).

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

25251353315140 is a wasteful number, since it uses less digits than its factorization.

25251353315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35691048 (or 35691046 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 25251353315140 in words is "twenty-five trillion, two hundred fifty-one billion, three hundred fifty-three million, three hundred fifteen thousand, one hundred forty".