1518508057345 has 8 divisors (see below), whose sum is σ = 1885044485160. Its totient is φ = 1172916568320.

The previous prime is 1518508057343. The next prime is 1518508057369. The reversal of 1518508057345 is 5437508058151.

It can be written as a sum of positive squares in 4 ways, for example, as 336223703104 + 1182284354241 = 579848^2 + 1087329^2 .

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

It is not a de Polignac number, because 1518508057345 - 2¹ = 1518508057343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1518508057292 and 1518508057301.

It is not an unprimeable number, because it can be changed into a prime (1518508057343) 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, 5236234536 + ... + 5236234825.

It is an arithmetic number, because the mean of its divisors is an integer number (235630560645).

Almost surely, 2^{1518508057345} is an apocalyptic number.

It is an amenable number.

1518508057345 is a deficient number, since it is larger than the sum of its proper divisors (366536427815).

1518508057345 is a wasteful number, since it uses less digits than its factorization.

1518508057345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472469395.

The product of its (nonzero) digits is 3360000, while the sum is 52.

The spelling of 1518508057345 in words is "one trillion, five hundred eighteen billion, five hundred eight million, fifty-seven thousand, three hundred forty-five".