39912011101 has 4 divisors (see below), whose sum is σ = 40012545532. Its totient is φ = 39811476672.

The previous prime is 39912011093. The next prime is 39912011143. The reversal of 39912011101 is 10111021993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8854998201 + 31057012900 = 94101^2 + 176230^2 .

It is a cyclic number.

It is not a de Polignac number, because 39912011101 - 2³ = 39912011093 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 39912011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39912011701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50266620 + ... + 50267413.

It is an arithmetic number, because the mean of its divisors is an integer number (10003136383).

Almost surely, 2^39912011101 is an apocalyptic number.

It is an amenable number.

39912011101 is a deficient number, since it is larger than the sum of its proper divisors (100534431).

39912011101 is a wasteful number, since it uses less digits than its factorization.

39912011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100534430.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 39912011101 in words is "thirty-nine billion, nine hundred twelve million, eleven thousand, one hundred one".