1255554156 has 48 divisors (see below), whose sum is σ = 2975997024. Its totient is φ = 411918336.

The previous prime is 1255554133. The next prime is 1255554163. The reversal of 1255554156 is 6514555521.

1255554156 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518260 + ... + 520676.

It is an arithmetic number, because the mean of its divisors is an integer number (61999938).

Almost surely, 2^1255554156 is an apocalyptic number.

It is an amenable number.

1255554156 is an abundant number, since it is smaller than the sum of its proper divisors (1720442868).

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

1255554156 is a wasteful number, since it uses less digits than its factorization.

1255554156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3088 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The square root of 1255554156 is about 35433.7996269099. The cubic root of 1255554156 is about 1078.8104632747.

The spelling of 1255554156 in words is "one billion, two hundred fifty-five million, five hundred fifty-four thousand, one hundred fifty-six".