1255105254634 has 64 divisors (see below), whose sum is σ = 2368970311680. Its totient is φ = 484483135680.

The previous prime is 1255105254583. The next prime is 1255105254647. The reversal of 1255105254634 is 4364525015521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10364524 + ... + 10484920.

It is an arithmetic number, because the mean of its divisors is an integer number (37015161120).

Almost surely, 2^{1255105254634} is an apocalyptic number.

1255105254634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1255105254634 is a deficient number, since it is larger than the sum of its proper divisors (1113865057046).

1255105254634 is a wasteful number, since it uses less digits than its factorization.

1255105254634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121043.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 1255105254634 in words is "one trillion, two hundred fifty-five billion, one hundred five million, two hundred fifty-four thousand, six hundred thirty-four".