1354253665056 has 24 divisors (see below), whose sum is σ = 3554915871024. Its totient is φ = 451417888320.

The previous prime is 1354253664983. The next prime is 1354253665057. The reversal of 1354253665056 is 6505663524531.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1354253665057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053404410 + ... + 7053404601.

It is an arithmetic number, because the mean of its divisors is an integer number (148121494626).

Almost surely, 2^{1354253665056} is an apocalyptic number.

1354253665056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1354253665056 is an abundant number, since it is smaller than the sum of its proper divisors (2200662205968).

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

1354253665056 is a wasteful number, since it uses less digits than its factorization.

1354253665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106809024 (or 14106809016 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 1354253665056 in words is "one trillion, three hundred fifty-four billion, two hundred fifty-three million, six hundred sixty-five thousand, fifty-six".