1135215723620 has 192 divisors, whose sum is σ = 2846837145600. Its totient is φ = 375609024000.

The previous prime is 1135215723599. The next prime is 1135215723659. The reversal of 1135215723620 is 263275125311.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23128505 + ... + 23177535.

It is an arithmetic number, because the mean of its divisors is an integer number (14827276800).

Almost surely, 2^{1135215723620} is an apocalyptic number.

1135215723620 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 1135215723620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423418572800).

1135215723620 is an abundant number, since it is smaller than the sum of its proper divisors (1711621421980).

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

1135215723620 is a wasteful number, since it uses less digits than its factorization.

1135215723620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49290 (or 49288 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1135215723620 in words is "one trillion, one hundred thirty-five billion, two hundred fifteen million, seven hundred twenty-three thousand, six hundred twenty".