1152261743580 has 144 divisors (see below), whose sum is σ = 3553280325504. Its totient is φ = 302165544960.

The previous prime is 1152261743579. The next prime is 1152261743587. The reversal of 1152261743580 is 853471622511.

1152261743580 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 2 + 61 + 7 + 4 + 3 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152261743587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67112157 + ... + 67129323.

It is an arithmetic number, because the mean of its divisors is an integer number (24675557816).

Almost surely, 2^{1152261743580} is an apocalyptic number.

1152261743580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152261743580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776640162752).

1152261743580 is an abundant number, since it is smaller than the sum of its proper divisors (2401018581924).

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

1152261743580 is a wasteful number, since it uses less digits than its factorization.

1152261743580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356 (or 23351 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 1152261743580 in words is "one trillion, one hundred fifty-two billion, two hundred sixty-one million, seven hundred forty-three thousand, five hundred eighty".