1545513525213 has 8 divisors (see below), whose sum is σ = 2355068228928. Its totient is φ = 883150585824.

The previous prime is 1545513525197. The next prime is 1545513525233. The reversal of 1545513525213 is 3125253155451.

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

It is not a de Polignac number, because 1545513525213 - 2⁴ = 1545513525197 is a prime.

It is a super-2 number, since 2×1545513525213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545513525233) 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, 36797941056 + ... + 36797941097.

It is an arithmetic number, because the mean of its divisors is an integer number (294383528616).

Almost surely, 2^{1545513525213} is an apocalyptic number.

It is an amenable number.

1545513525213 is a deficient number, since it is larger than the sum of its proper divisors (809554703715).

1545513525213 is an equidigital number, since it uses as much as digits as its factorization.

1545513525213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73595882163.

The product of its digits is 450000, while the sum is 42.

The spelling of 1545513525213 in words is "one trillion, five hundred forty-five billion, five hundred thirteen million, five hundred twenty-five thousand, two hundred thirteen".