315553450521553 has 16 divisors (see below), whose sum is σ = 320676696262080. Its totient is φ = 310442429981376.

The previous prime is 315553450521493. The next prime is 315553450521559. The reversal of 315553450521553 is 355125054355513.

It is a cyclic number.

It is not a de Polignac number, because 315553450521553 - 2¹³ = 315553450513361 is a prime.

It is a super-4 number, since 4×315553450521553⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315553450521553.

It is not an unprimeable number, because it can be changed into a prime (315553450521559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672224475 + ... + 672693727.

It is an arithmetic number, because the mean of its divisors is an integer number (20042293516380).

Almost surely, 2^{315553450521553} is an apocalyptic number.

It is an amenable number.

315553450521553 is a deficient number, since it is larger than the sum of its proper divisors (5123245740527).

315553450521553 is a wasteful number, since it uses less digits than its factorization.

315553450521553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482256.

The product of its (nonzero) digits is 16875000, while the sum is 52.

The spelling of 315553450521553 in words is "three hundred fifteen trillion, five hundred fifty-three billion, four hundred fifty million, five hundred twenty-one thousand, five hundred fifty-three".