315203151151540 has 24 divisors (see below), whose sum is σ = 661931231267880. Its totient is φ = 126080381632128.

The previous prime is 315203151151487. The next prime is 315203151151543. The reversal of 315203151151540 is 45151151302513.

It can be written as a sum of positive squares in 4 ways, for example, as 79401144775824 + 235802006375716 = 8910732^2 + 15355846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315203151151540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315203151151543) 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, 51981895 + ... + 57728014.

It is an arithmetic number, because the mean of its divisors is an integer number (27580467969495).

Almost surely, 2^{315203151151540} is an apocalyptic number.

It is an amenable number.

315203151151540 is an abundant number, since it is smaller than the sum of its proper divisors (346728080116340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315203151151540 is a wasteful number, since it uses less digits than its factorization.

315203151151540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109853571 (or 109853569 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 315203151151540 in words is "three hundred fifteen trillion, two hundred three billion, one hundred fifty-one million, one hundred fifty-one thousand, five hundred forty".