38158550815 has 24 divisors (see below), whose sum is σ = 58108609872. Its totient is φ = 23787146880.

The previous prime is 38158550779. The next prime is 38158550819. The reversal of 38158550815 is 51805585183.

It is not a de Polignac number, because 38158550815 - 2¹³ = 38158542623 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38158550819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7076814 + ... + 7082203.

It is an arithmetic number, because the mean of its divisors is an integer number (2421192078).

Almost surely, 2^38158550815 is an apocalyptic number.

38158550815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38158550815 is a deficient number, since it is larger than the sum of its proper divisors (19950059057).

38158550815 is a wasteful number, since it uses less digits than its factorization.

38158550815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159047 (or 14159040 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 49.

The spelling of 38158550815 in words is "thirty-eight billion, one hundred fifty-eight million, five hundred fifty thousand, eight hundred fifteen".