1155958048180 has 48 divisors (see below), whose sum is σ = 2615269878144. Its totient is φ = 426647721600.

The previous prime is 1155958048171. The next prime is 1155958048213. The reversal of 1155958048180 is 818408595511.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 208162 + ... + 1534681.

It is an arithmetic number, because the mean of its divisors is an integer number (54484789128).

Almost surely, 2^{1155958048180} is an apocalyptic number.

1155958048180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155958048180 is an abundant number, since it is smaller than the sum of its proper divisors (1459311829964).

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

1155958048180 is a wasteful number, since it uses less digits than its factorization.

1155958048180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745416 (or 1745414 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 55.

The spelling of 1155958048180 in words is "one trillion, one hundred fifty-five billion, nine hundred fifty-eight million, forty-eight thousand, one hundred eighty".