1355416121245 has 8 divisors (see below), whose sum is σ = 1626523921080. Its totient is φ = 1084316513280.

The previous prime is 1355416121221. The next prime is 1355416121249. The reversal of 1355416121245 is 5421216145531.

It can be written as a sum of positive squares in 4 ways, for example, as 119963864164 + 1235452257081 = 346358^2 + 1111509^2 .

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

It is not a de Polignac number, because 1355416121245 - 2⁹ = 1355416120733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355416121198 and 1355416121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355416121249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677876 + ... + 2350765.

It is an arithmetic number, because the mean of its divisors is an integer number (203315490135).

Almost surely, 2^{1355416121245} is an apocalyptic number.

It is an amenable number.

1355416121245 is a deficient number, since it is larger than the sum of its proper divisors (271107799835).

1355416121245 is an equidigital number, since it uses as much as digits as its factorization.

1355416121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095935.

The product of its digits is 144000, while the sum is 40.

The spelling of 1355416121245 in words is "one trillion, three hundred fifty-five billion, four hundred sixteen million, one hundred twenty-one thousand, two hundred forty-five".