1355680755 has 96 divisors (see below), whose sum is σ = 2777628672. Its totient is φ = 603014400.

The previous prime is 1355680721. The next prime is 1355680757. The reversal of 1355680755 is 5570865531.

1355680755 is a `hidden beast` number, since 1 + 35 + 568 + 0 + 7 + 55 = 666.

It is not a de Polignac number, because 1355680755 - 2⁹ = 1355680243 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1355680755.

It is not an unprimeable number, because it can be changed into a prime (1355680757) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1228534 + ... + 1229636.

It is an arithmetic number, because the mean of its divisors is an integer number (28933632).

Almost surely, 2^1355680755 is an apocalyptic number.

1355680755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355680755 is an abundant number, since it is smaller than the sum of its proper divisors (1421947917).

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

1355680755 is a wasteful number, since it uses less digits than its factorization.

1355680755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The square root of 1355680755 is about 36819.5702717998. The cubic root of 1355680755 is about 1106.7575083996.

The spelling of 1355680755 in words is "one billion, three hundred fifty-five million, six hundred eighty thousand, seven hundred fifty-five".