1255602256554 has 16 divisors (see below), whose sum is σ = 2569604618592. Its totient is φ = 408800734608.

The previous prime is 1255602256543. The next prime is 1255602256583. The reversal of 1255602256554 is 4556522065521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433337449 + ... + 2433337964.

It is an arithmetic number, because the mean of its divisors is an integer number (160600288662).

Almost surely, 2^{1255602256554} is an apocalyptic number.

1255602256554 is an abundant number, since it is smaller than the sum of its proper divisors (1314002362038).

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

1255602256554 is a wasteful number, since it uses less digits than its factorization.

1255602256554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866675461.

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 1255602256554 in words is "one trillion, two hundred fifty-five billion, six hundred two million, two hundred fifty-six thousand, five hundred fifty-four".