1355125506 has 32 divisors (see below), whose sum is σ = 3197349888. Its totient is φ = 374688720.

The previous prime is 1355125441. The next prime is 1355125507. The reversal of 1355125506 is 6055215531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355125507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 519100 + ... + 521703.

It is an arithmetic number, because the mean of its divisors is an integer number (99917184).

Almost surely, 2^1355125506 is an apocalyptic number.

1355125506 is an abundant number, since it is smaller than the sum of its proper divisors (1842224382).

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

1355125506 is a wasteful number, since it uses less digits than its factorization.

1355125506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040846.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1355125506 is about 36812.0293654126. The cubic root of 1355125506 is about 1106.6063887710.

The spelling of 1355125506 in words is "one billion, three hundred fifty-five million, one hundred twenty-five thousand, five hundred six".