38356747511 has 4 divisors (see below), whose sum is σ = 38360419032. Its totient is φ = 38353075992.

The previous prime is 38356747453. The next prime is 38356747519. The reversal of 38356747511 is 11574765383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11574765383 = 229 ⋅50544827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38356747511 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 38356747511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38356747519) 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, 1820045 + ... + 1840998.

It is an arithmetic number, because the mean of its divisors is an integer number (9590104758).

Almost surely, 2^38356747511 is an apocalyptic number.

38356747511 is a deficient number, since it is larger than the sum of its proper divisors (3671521).

38356747511 is a wasteful number, since it uses less digits than its factorization.

38356747511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671520.

The product of its digits is 2116800, while the sum is 50.

The spelling of 38356747511 in words is "thirty-eight billion, three hundred fifty-six million, seven hundred forty-seven thousand, five hundred eleven".