139355581311 has 12 divisors (see below), whose sum is σ = 201314221888. Its totient is φ = 92893185504.

The previous prime is 139355581307. The next prime is 139355581319. The reversal of 139355581311 is 113185553931.

139355581311 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 55 + 581 + 3 + 11 = 666.

It is not a de Polignac number, because 139355581311 - 2² = 139355581307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139355581319) 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, 793750 + ... + 953283.

Almost surely, 2^139355581311 is an apocalyptic number.

139355581311 is a deficient number, since it is larger than the sum of its proper divisors (61958640577).

139355581311 is a wasteful number, since it uses less digits than its factorization.

139355581311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755902 (or 1755899 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The spelling of 139355581311 in words is "one hundred thirty-nine billion, three hundred fifty-five million, five hundred eighty-one thousand, three hundred eleven".