1305502252645 has 8 divisors (see below), whose sum is σ = 1566612794880. Its totient is φ = 1044395074320.

The previous prime is 1305502252633. The next prime is 1305502252687. The reversal of 1305502252645 is 5462522055031.

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

It is not a de Polignac number, because 1305502252645 - 2¹¹ = 1305502250597 is a prime.

It is a super-2 number, since 2×1305502252645² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1305502252598 and 1305502252607.

It is a congruent number.

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, 110740 + ... + 1619650.

It is an arithmetic number, because the mean of its divisors is an integer number (195826599360).

Almost surely, 2^{1305502252645} is an apocalyptic number.

It is an amenable number.

1305502252645 is a deficient number, since it is larger than the sum of its proper divisors (261110542235).

1305502252645 is a wasteful number, since it uses less digits than its factorization.

1305502252645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681955.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 1305502252645 in words is "one trillion, three hundred five billion, five hundred two million, two hundred fifty-two thousand, six hundred forty-five".