315156404020050 has 192 divisors, whose sum is σ = 943626194534400. Its totient is φ = 77050122350400.

The previous prime is 315156404020049. The next prime is 315156404020061. The reversal of 315156404020050 is 50020404651513.

315156404020050 is a `hidden beast` number, since 3 + 1 + 5 + 1 + 5 + 640 + 4 + 0 + 2 + 0 + 0 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 315156404019987 and 315156404020014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197379034 + ... + 198969333.

It is an arithmetic number, because the mean of its divisors is an integer number (4914719763200).

Almost surely, 2^{315156404020050} is an apocalyptic number.

315156404020050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315156404020050 is an abundant number, since it is smaller than the sum of its proper divisors (628469790514350).

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

315156404020050 is a wasteful number, since it uses less digits than its factorization.

315156404020050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396348438 (or 396348427 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 315156404020050 its reverse (50020404651513), we get a palindrome (365176808671563).

The spelling of 315156404020050 in words is "three hundred fifteen trillion, one hundred fifty-six billion, four hundred four million, twenty thousand, fifty".