1152838478580 has 24 divisors (see below), whose sum is σ = 3227947740192. Its totient is φ = 307423594272.

The previous prime is 1152838478579. The next prime is 1152838478591. The reversal of 1152838478580 is 858748382511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 19213974643 = 1152838478580 / (1 + 1 + 5 + 2 + 8 + 3 + 8 + 4 + 7 + 8 + 5 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9606987262 + ... + 9606987381.

It is an arithmetic number, because the mean of its divisors is an integer number (134497822508).

Almost surely, 2^{1152838478580} is an apocalyptic number.

1152838478580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152838478580 is an abundant number, since it is smaller than the sum of its proper divisors (2075109261612).

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

1152838478580 is a wasteful number, since it uses less digits than its factorization.

1152838478580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213974655 (or 19213974653 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 60.

The spelling of 1152838478580 in words is "one trillion, one hundred fifty-two billion, eight hundred thirty-eight million, four hundred seventy-eight thousand, five hundred eighty".