1255151565624 has 256 divisors, whose sum is σ = 3496347970560. Its totient is φ = 372326400000.

The previous prime is 1255151565589. The next prime is 1255151565641. The reversal of 1255151565624 is 4265651515521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1034749242 + ... + 1034750454.

It is an arithmetic number, because the mean of its divisors is an integer number (13657609260).

Almost surely, 2^{1255151565624} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255151565624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748173985280).

1255151565624 is an abundant number, since it is smaller than the sum of its proper divisors (2241196404936).

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

1255151565624 is a wasteful number, since it uses less digits than its factorization.

1255151565624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1738 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 48.

The spelling of 1255151565624 in words is "one trillion, two hundred fifty-five billion, one hundred fifty-one million, five hundred sixty-five thousand, six hundred twenty-four".