1255151250100 has 72 divisors (see below), whose sum is σ = 3000704255136. Its totient is φ = 451899600000.

The previous prime is 1255151250077. The next prime is 1255151250121. The reversal of 1255151250100 is 10521515521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5537646 + ... + 5759845.

It is an arithmetic number, because the mean of its divisors is an integer number (41676447988).

Almost surely, 2^{1255151250100} is an apocalyptic number.

1255151250100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255151250100 is an abundant number, since it is smaller than the sum of its proper divisors (1745553005036).

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

1255151250100 is a wasteful number, since it uses less digits than its factorization.

1255151250100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297617 (or 11297610 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 28.

Adding to 1255151250100 its reverse (10521515521), we get a palindrome (1265672765621).

The spelling of 1255151250100 in words is "one trillion, two hundred fifty-five billion, one hundred fifty-one million, two hundred fifty thousand, one hundred".