1355211123604 has 48 divisors (see below), whose sum is σ = 2616654554640. Its totient is φ = 610154357760.

The previous prime is 1355211123601. The next prime is 1355211123677. The reversal of 1355211123604 is 4063211125531.

It can be written as a sum of positive squares in 8 ways, for example, as 9615763600 + 1345595360004 = 98060^2 + 1159998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1355211123604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355211123601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20718102 + ... + 20783410.

It is an arithmetic number, because the mean of its divisors is an integer number (54513636555).

Almost surely, 2^{1355211123604} is an apocalyptic number.

It is an amenable number.

1355211123604 is a deficient number, since it is larger than the sum of its proper divisors (1261443431036).

1355211123604 is a wasteful number, since it uses less digits than its factorization.

1355211123604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75100 (or 75098 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1355211123604 in words is "one trillion, three hundred fifty-five billion, two hundred eleven million, one hundred twenty-three thousand, six hundred four".