1055781711535 has 8 divisors (see below), whose sum is σ = 1310625573120. Its totient is φ = 815500356384.

The previous prime is 1055781711533. The next prime is 1055781711553. The reversal of 1055781711535 is 5351171875501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055781711535 - 2¹ = 1055781711533 is a prime.

It is a super-2 number, since 2×1055781711535² (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 (1055781711533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640626447 + ... + 3640626736.

It is an arithmetic number, because the mean of its divisors is an integer number (163828196640).

Almost surely, 2^{1055781711535} is an apocalyptic number.

1055781711535 is a deficient number, since it is larger than the sum of its proper divisors (254843861585).

1055781711535 is an equidigital number, since it uses as much as digits as its factorization.

1055781711535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281253217.

The product of its (nonzero) digits is 735000, while the sum is 49.

The spelling of 1055781711535 in words is "one trillion, fifty-five billion, seven hundred eighty-one million, seven hundred eleven thousand, five hundred thirty-five".