365353402561 has 12 divisors (see below), whose sum is σ = 438712711680. Its totient is φ = 303058120680.

The previous prime is 365353402543. The next prime is 365353402577. The reversal of 365353402561 is 165204353563.

It is not a de Polignac number, because 365353402561 - 2⁷ = 365353402433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365353402861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120259641 + ... + 120262678.

It is an arithmetic number, because the mean of its divisors is an integer number (36559392640).

Almost surely, 2^365353402561 is an apocalyptic number.

365353402561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

365353402561 is a deficient number, since it is larger than the sum of its proper divisors (73359309119).

365353402561 is a wasteful number, since it uses less digits than its factorization.

365353402561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240522364 (or 240522357 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 365353402561 in words is "three hundred sixty-five billion, three hundred fifty-three million, four hundred two thousand, five hundred sixty-one".