1365523121352 has 32 divisors (see below), whose sum is σ = 3676408404480. Its totient is φ = 420160960320.

The previous prime is 1365523121323. The next prime is 1365523121407. The reversal of 1365523121352 is 2531213255631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1365523121352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188338024 + ... + 2188338647.

It is an arithmetic number, because the mean of its divisors is an integer number (114887762640).

Almost surely, 2^{1365523121352} is an apocalyptic number.

1365523121352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1365523121352 is an abundant number, since it is smaller than the sum of its proper divisors (2310885283128).

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

1365523121352 is a wasteful number, since it uses less digits than its factorization.

1365523121352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376676693 (or 4376676689 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

Adding to 1365523121352 its reverse (2531213255631), we get a palindrome (3896736376983).

The spelling of 1365523121352 in words is "one trillion, three hundred sixty-five billion, five hundred twenty-three million, one hundred twenty-one thousand, three hundred fifty-two".