1345253361651 has 12 divisors (see below), whose sum is σ = 1944924825480. Its totient is φ = 896013537120.

The previous prime is 1345253361643. The next prime is 1345253361653. The reversal of 1345253361651 is 1561633525431.

1345253361651 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 2 + 533 + 61 + 6 + 51 = 666.

It is not a de Polignac number, because 1345253361651 - 2³ = 1345253361643 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1345253361597 and 1345253361606.

It is not an unprimeable number, because it can be changed into a prime (1345253361653) 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, 68492746 + ... + 68512383.

It is an arithmetic number, because the mean of its divisors is an integer number (162077068790).

Almost surely, 2^{1345253361651} is an apocalyptic number.

1345253361651 is a deficient number, since it is larger than the sum of its proper divisors (599671463829).

1345253361651 is a wasteful number, since it uses less digits than its factorization.

1345253361651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137006226 (or 137006223 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 1345253361651 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, three hundred sixty-one thousand, six hundred fifty-one".