1255513051004 has 24 divisors (see below), whose sum is σ = 2234875844208. Its totient is φ = 616992848640.

The previous prime is 1255513051003. The next prime is 1255513051043. The reversal of 1255513051004 is 4001503155521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255513051003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649549 + ... + 2287364.

It is an arithmetic number, because the mean of its divisors is an integer number (93119826842).

Almost surely, 2^{1255513051004} is an apocalyptic number.

It is an amenable number.

1255513051004 is a deficient number, since it is larger than the sum of its proper divisors (979362793204).

1255513051004 is a wasteful number, since it uses less digits than its factorization.

1255513051004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938285 (or 3938283 counting only the distinct ones).

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

The spelling of 1255513051004 in words is "one trillion, two hundred fifty-five billion, five hundred thirteen million, fifty-one thousand, four".