1053885378780 has 72 divisors (see below), whose sum is σ = 3442692244992. Its totient is φ = 259417938816.

The previous prime is 1053885378731. The next prime is 1053885378787. The reversal of 1053885378780 is 878735883501.

1053885378780 is a `hidden beast` number, since 10 + 5 + 3 + 8 + 8 + 537 + 8 + 7 + 80 = 666.

It is a super-2 number, since 2×1053885378780² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053885378787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225186844 + ... + 225191523.

Almost surely, 2^{1053885378780} is an apocalyptic number.

1053885378780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053885378780 is an abundant number, since it is smaller than the sum of its proper divisors (2388806866212).

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

1053885378780 is a wasteful number, since it uses less digits than its factorization.

1053885378780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450378395 (or 450378390 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 1053885378780 in words is "one trillion, fifty-three billion, eight hundred eighty-five million, three hundred seventy-eight thousand, seven hundred eighty".