1355003531064 has 192 divisors, whose sum is σ = 3753750124800. Its totient is φ = 441468403200.

The previous prime is 1355003531029. The next prime is 1355003531081. The reversal of 1355003531064 is 4601353005531.

1355003531064 is a `hidden beast` number, since 1 + 3 + 550 + 0 + 35 + 3 + 10 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456075099 + ... + 456078069.

It is an arithmetic number, because the mean of its divisors is an integer number (19550781900).

Almost surely, 2^{1355003531064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355003531064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876875062400).

1355003531064 is an abundant number, since it is smaller than the sum of its proper divisors (2398746593736).

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

1355003531064 is a wasteful number, since it uses less digits than its factorization.

1355003531064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 1355003531064 its reverse (4601353005531), we get a palindrome (5956356536595).

The spelling of 1355003531064 in words is "one trillion, three hundred fifty-five billion, three million, five hundred thirty-one thousand, sixty-four".