1371987711 has 12 divisors (see below), whose sum is σ = 2015349960. Its totient is φ = 899155440.

The previous prime is 1371987689. The next prime is 1371987719. The reversal of 1371987711 is 1177891731.

It is not a de Polignac number, because 1371987711 - 2¹⁰ = 1371986687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371987719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291360 + ... + 1292421.

It is an arithmetic number, because the mean of its divisors is an integer number (167945830).

Almost surely, 2^1371987711 is an apocalyptic number.

1371987711 is a deficient number, since it is larger than the sum of its proper divisors (643362249).

1371987711 is a wasteful number, since it uses less digits than its factorization.

1371987711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583846 (or 2583843 counting only the distinct ones).

The product of its digits is 74088, while the sum is 45.

The square root of 1371987711 is about 37040.3524686253. The cubic root of 1371987711 is about 1111.1774187536.

The spelling of 1371987711 in words is "one billion, three hundred seventy-one million, nine hundred eighty-seven thousand, seven hundred eleven".