38388112861461 has 32 divisors (see below), whose sum is σ = 57103898296320. Its totient is φ = 22743586632000.

The previous prime is 38388112861349. The next prime is 38388112861489. The reversal of 38388112861461 is 16416821188383.

It is not a de Polignac number, because 38388112861461 - 2²¹ = 38388110764309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38388112861395 and 38388112861404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388112862461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72632805 + ... + 73159418.

It is an arithmetic number, because the mean of its divisors is an integer number (1784496821760).

Almost surely, 2^{38388112861461} is an apocalyptic number.

It is an amenable number.

38388112861461 is a deficient number, since it is larger than the sum of its proper divisors (18715785434859).

38388112861461 is a wasteful number, since it uses less digits than its factorization.

38388112861461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145792417.

The product of its digits is 10616832, while the sum is 60.

The spelling of 38388112861461 in words is "thirty-eight trillion, three hundred eighty-eight billion, one hundred twelve million, eight hundred sixty-one thousand, four hundred sixty-one".