1053155781360 has 320 divisors, whose sum is σ = 3889551052800. Its totient is φ = 260974891008.

The previous prime is 1053155781257. The next prime is 1053155781373. The reversal of 1053155781360 is 631875513501.

1053155781360 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 1 + 5 + 578 + 13 + 60 = 666.

It is a super-2 number, since 2×1053155781360² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2719357 + ... + 3082403.

It is an arithmetic number, because the mean of its divisors is an integer number (12154847040).

Almost surely, 2^{1053155781360} is an apocalyptic number.

1053155781360 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 1053155781360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944775526400).

1053155781360 is an abundant number, since it is smaller than the sum of its proper divisors (2836395271440).

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

1053155781360 is a wasteful number, since it uses less digits than its factorization.

1053155781360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363165 (or 363153 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 1053155781360 in words is "one trillion, fifty-three billion, one hundred fifty-five million, seven hundred eighty-one thousand, three hundred sixty".