1315157472420 has 144 divisors (see below), whose sum is σ = 4285738646784. Its totient is φ = 300071552000.

The previous prime is 1315157472287. The next prime is 1315157472511. The reversal of 1315157472420 is 242747515131.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5204556 + ... + 5451395.

It is an arithmetic number, because the mean of its divisors is an integer number (29762073936).

Almost surely, 2^{1315157472420} is an apocalyptic number.

1315157472420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315157472420 is an abundant number, since it is smaller than the sum of its proper divisors (2970581174364).

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

1315157472420 is a wasteful number, since it uses less digits than its factorization.

1315157472420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656002 (or 10655989 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 1315157472420 in words is "one trillion, three hundred fifteen billion, one hundred fifty-seven million, four hundred seventy-two thousand, four hundred twenty".