1123515500240 has 60 divisors (see below), whose sum is σ = 3038650860996. Its totient is φ = 385205313024.

The previous prime is 1123515500213. The next prime is 1123515500273. The reversal of 1123515500240 is 420055153211.

It can be written as a sum of positive squares in 2 ways, for example, as 209785984576 + 913729515664 = 458024^2 + 955892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143301629 + ... + 143309468.

Almost surely, 2^{1123515500240} is an apocalyptic number.

1123515500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123515500240 is an abundant number, since it is smaller than the sum of its proper divisors (1915135360756).

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

1123515500240 is a wasteful number, since it uses less digits than its factorization.

1123515500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286611124 (or 286611111 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1123515500240 in words is "one trillion, one hundred twenty-three billion, five hundred fifteen million, five hundred thousand, two hundred forty".