1315578353456 has 20 divisors (see below), whose sum is σ = 2698870299192. Its totient is φ = 619095695616.

The previous prime is 1315578353417. The next prime is 1315578353491. The reversal of 1315578353456 is 6543538755131.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418342290 + ... + 2418342833.

Almost surely, 2^{1315578353456} is an apocalyptic number.

1315578353456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1315578353456 is an abundant number, since it is smaller than the sum of its proper divisors (1383291945736).

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

1315578353456 is a wasteful number, since it uses less digits than its factorization.

1315578353456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836685148 (or 4836685142 counting only the distinct ones).

The product of its digits is 22680000, while the sum is 56.

The spelling of 1315578353456 in words is "one trillion, three hundred fifteen billion, five hundred seventy-eight million, three hundred fifty-three thousand, four hundred fifty-six".