38545008615 has 12 divisors (see below), whose sum is σ = 66811348344. Its totient is φ = 20557337904.

The previous prime is 38545008611. The next prime is 38545008637. The reversal of 38545008615 is 51680054583.

38545008615 is a `hidden beast` number, since 3 + 8 + 54 + 500 + 86 + 15 = 666.

It is not a de Polignac number, because 38545008615 - 2² = 38545008611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 856555747 = 38545008615 / (3 + 8 + 5 + 4 + 5 + 0 + 0 + 8 + 6 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38545008611) 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, 428277829 + ... + 428277918.

It is an arithmetic number, because the mean of its divisors is an integer number (5567612362).

Almost surely, 2^38545008615 is an apocalyptic number.

38545008615 is a deficient number, since it is larger than the sum of its proper divisors (28266339729).

38545008615 is a wasteful number, since it uses less digits than its factorization.

38545008615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856555758 (or 856555755 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 38545008615 in words is "thirty-eight billion, five hundred forty-five million, eight thousand, six hundred fifteen".