1354353356503 has 16 divisors (see below), whose sum is σ = 1548894746880. Its totient is φ = 1160077838400.

The previous prime is 1354353356497. The next prime is 1354353356507. The reversal of 1354353356503 is 3056533534531.

It is a cyclic number.

It is not a de Polignac number, because 1354353356503 - 2⁹ = 1354353355991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354353356507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81134388 + ... + 81151078.

It is an arithmetic number, because the mean of its divisors is an integer number (96805921680).

Almost surely, 2^{1354353356503} is an apocalyptic number.

1354353356503 is a deficient number, since it is larger than the sum of its proper divisors (194541390377).

1354353356503 is a wasteful number, since it uses less digits than its factorization.

1354353356503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23958.

The product of its (nonzero) digits is 3645000, while the sum is 46.

The spelling of 1354353356503 in words is "one trillion, three hundred fifty-four billion, three hundred fifty-three million, three hundred fifty-six thousand, five hundred three".