17137978311 has 16 divisors (see below), whose sum is σ = 24040624608. Its totient is φ = 10845388800.

The previous prime is 17137978309. The next prime is 17137978349. The reversal of 17137978311 is 11387973171.

It is not a de Polignac number, because 17137978311 - 2¹ = 17137978309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17137978381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878330 + ... + 1887431.

It is an arithmetic number, because the mean of its divisors is an integer number (1502539038).

Almost surely, 2^17137978311 is an apocalyptic number.

17137978311 is a deficient number, since it is larger than the sum of its proper divisors (6902646297).

17137978311 is a wasteful number, since it uses less digits than its factorization.

17137978311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765842.

The product of its digits is 222264, while the sum is 48.

The spelling of 17137978311 in words is "seventeen billion, one hundred thirty-seven million, nine hundred seventy-eight thousand, three hundred eleven".