1365322861253 has 8 divisors (see below), whose sum is σ = 1470586359648. Its totient is φ = 1260093457584.

The previous prime is 1365322861247. The next prime is 1365322861267. The reversal of 1365322861253 is 3521682235631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1365322861253 - 2³⁸ = 1090444954309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1365322861198 and 1365322861207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365322863253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8440475 + ... + 8600712.

It is an arithmetic number, because the mean of its divisors is an integer number (183823294956).

Almost surely, 2^{1365322861253} is an apocalyptic number.

1365322861253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1365322861253 is a deficient number, since it is larger than the sum of its proper divisors (105263498395).

1365322861253 is a wasteful number, since it uses less digits than its factorization.

1365322861253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047363.

The product of its digits is 1555200, while the sum is 47.

The spelling of 1365322861253 in words is "one trillion, three hundred sixty-five billion, three hundred twenty-two million, eight hundred sixty-one thousand, two hundred fifty-three".