1315211314452 has 24 divisors (see below), whose sum is σ = 3507230172096. Its totient is φ = 375774661248.

The previous prime is 1315211314411. The next prime is 1315211314493. The reversal of 1315211314452 is 2544131125131.

It is an interprime number because it is at equal distance from previous prime (1315211314411) and next prime (1315211314493).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7828638693 + ... + 7828638860.

It is an arithmetic number, because the mean of its divisors is an integer number (146134590504).

Almost surely, 2^{1315211314452} is an apocalyptic number.

1315211314452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315211314452 is an abundant number, since it is smaller than the sum of its proper divisors (2192018857644).

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

1315211314452 is a wasteful number, since it uses less digits than its factorization.

1315211314452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657277567 (or 15657277565 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

Adding to 1315211314452 its reverse (2544131125131), we get a palindrome (3859342439583).

The spelling of 1315211314452 in words is "one trillion, three hundred fifteen billion, two hundred eleven million, three hundred fourteen thousand, four hundred fifty-two".