1315869877121 has 48 divisors (see below), whose sum is σ = 1465217215488. Its totient is φ = 1179370886400.

The previous prime is 1315869877109. The next prime is 1315869877139. The reversal of 1315869877121 is 1217789685131.

It is not a de Polignac number, because 1315869877121 - 2¹⁴ = 1315869860737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315869877151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68478911 + ... + 68498123.

It is an arithmetic number, because the mean of its divisors is an integer number (30525358656).

Almost surely, 2^{1315869877121} is an apocalyptic number.

It is an amenable number.

1315869877121 is a deficient number, since it is larger than the sum of its proper divisors (149347338367).

1315869877121 is a wasteful number, since it uses less digits than its factorization.

1315869877121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19410 (or 19381 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 59.

The spelling of 1315869877121 in words is "one trillion, three hundred fifteen billion, eight hundred sixty-nine million, eight hundred seventy-seven thousand, one hundred twenty-one".