1379509938511 has 8 divisors (see below), whose sum is σ = 1417810040064. Its totient is φ = 1341492495000.

The previous prime is 1379509938481. The next prime is 1379509938533. The reversal of 1379509938511 is 1158399059731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1379509938511 - 2²⁹ = 1378973067599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379509938511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379509938551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70654615 + ... + 70674136.

It is an arithmetic number, because the mean of its divisors is an integer number (177226255008).

Almost surely, 2^{1379509938511} is an apocalyptic number.

1379509938511 is a deficient number, since it is larger than the sum of its proper divisors (38300101553).

1379509938511 is a wasteful number, since it uses less digits than its factorization.

1379509938511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141329021.

The product of its (nonzero) digits is 9185400, while the sum is 61.

The spelling of 1379509938511 in words is "one trillion, three hundred seventy-nine billion, five hundred nine million, nine hundred thirty-eight thousand, five hundred eleven".