1355503334987 has 4 divisors (see below), whose sum is σ = 1356340583880. Its totient is φ = 1354666086096.

The previous prime is 1355503334921. The next prime is 1355503335001. The reversal of 1355503334987 is 7894333055531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1355503334987 - 2³⁴ = 1338323465803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355503334917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418622018 + ... + 418625255.

It is an arithmetic number, because the mean of its divisors is an integer number (339085145970).

Almost surely, 2^{1355503334987} is an apocalyptic number.

1355503334987 is a deficient number, since it is larger than the sum of its proper divisors (837248893).

1355503334987 is an equidigital number, since it uses as much as digits as its factorization.

1355503334987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837248892.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 1355503334987 in words is "one trillion, three hundred fifty-five billion, five hundred three million, three hundred thirty-four thousand, nine hundred eighty-seven".