38455235135561 has 8 divisors (see below), whose sum is σ = 40743425399040. Its totient is φ = 36169946828608.

The previous prime is 38455235135453. The next prime is 38455235135627. The reversal of 38455235135561 is 16553153255483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38455235135561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38455235135497 and 38455235135506.

It is not an unprimeable number, because it can be changed into a prime (38455235135761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725461841 + ... + 725514846.

It is an arithmetic number, because the mean of its divisors is an integer number (5092928174880).

Almost surely, 2^{38455235135561} is an apocalyptic number.

It is an amenable number.

38455235135561 is a deficient number, since it is larger than the sum of its proper divisors (2288190263479).

38455235135561 is a wasteful number, since it uses less digits than its factorization.

38455235135561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450978263.

The product of its digits is 32400000, while the sum is 56.

The spelling of 38455235135561 in words is "thirty-eight trillion, four hundred fifty-five billion, two hundred thirty-five million, one hundred thirty-five thousand, five hundred sixty-one".