25010255156 has 6 divisors (see below), whose sum is σ = 43767946530. Its totient is φ = 12505127576.

The previous prime is 25010255129. The next prime is 25010255203. The reversal of 25010255156 is 65155201052.

It can be written as a sum of positive squares in only one way, i.e., 24442195600 + 568059556 = 156340^2 + 23834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126281891 + ... + 3126281898.

It is an arithmetic number, because the mean of its divisors is an integer number (7294657755).

Almost surely, 2^25010255156 is an apocalyptic number.

It is an amenable number.

25010255156 is a deficient number, since it is larger than the sum of its proper divisors (18757691374).

25010255156 is a wasteful number, since it uses less digits than its factorization.

25010255156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252563793 (or 6252563791 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 25010255156 in words is "twenty-five billion, ten million, two hundred fifty-five thousand, one hundred fifty-six".