1255005155525 has 24 divisors (see below), whose sum is σ = 1752443574528. Its totient is φ = 883288080000.

The previous prime is 1255005155473. The next prime is 1255005155531. The reversal of 1255005155525 is 5255515005521.

It is not a de Polignac number, because 1255005155525 - 2³² = 1250710188229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73598816 + ... + 73615865.

It is an arithmetic number, because the mean of its divisors is an integer number (73018482272).

Almost surely, 2^{1255005155525} is an apocalyptic number.

It is an amenable number.

1255005155525 is a deficient number, since it is larger than the sum of its proper divisors (497438419003).

1255005155525 is a wasteful number, since it uses less digits than its factorization.

1255005155525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147214733 (or 147214728 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 41.

The spelling of 1255005155525 in words is "one trillion, two hundred fifty-five billion, five million, one hundred fifty-five thousand, five hundred twenty-five".