1315438356192 has 48 divisors (see below), whose sum is σ = 3475019518992. Its totient is φ = 435686584320.

The previous prime is 1315438356163. The next prime is 1315438356203. The reversal of 1315438356192 is 2916538345131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1315438356192² (a number of 25 digits) contains 22 as substring.

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, 43623409 + ... + 43653552.

It is an arithmetic number, because the mean of its divisors is an integer number (72396239979).

Almost surely, 2^{1315438356192} is an apocalyptic number.

1315438356192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315438356192 is an abundant number, since it is smaller than the sum of its proper divisors (2159581162800).

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

1315438356192 is a wasteful number, since it uses less digits than its factorization.

1315438356192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87277131 (or 87277123 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The spelling of 1315438356192 in words is "one trillion, three hundred fifteen billion, four hundred thirty-eight million, three hundred fifty-six thousand, one hundred ninety-two".