1213365410545 has 8 divisors (see below), whose sum is σ = 1503007476480. Its totient is φ = 939379672560.

The previous prime is 1213365410539. The next prime is 1213365410549. The reversal of 1213365410545 is 5450145633121.

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

It is not a de Polignac number, because 1213365410545 - 2³⁵ = 1179005672177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213365410498 and 1213365410507.

It is not an unprimeable number, because it can be changed into a prime (1213365410549) 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, 3914081815 + ... + 3914082124.

It is an arithmetic number, because the mean of its divisors is an integer number (187875934560).

Almost surely, 2^{1213365410545} is an apocalyptic number.

It is an amenable number.

1213365410545 is a deficient number, since it is larger than the sum of its proper divisors (289642065935).

1213365410545 is an equidigital number, since it uses as much as digits as its factorization.

1213365410545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828163975.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1213365410545 in words is "one trillion, two hundred thirteen billion, three hundred sixty-five million, four hundred ten thousand, five hundred forty-five".