11611617617238 has 8 divisors (see below), whose sum is σ = 23223235234488. Its totient is φ = 3870539205744.

The previous prime is 11611617617221. The next prime is 11611617617279. The reversal of 11611617617238 is 83271671611611.

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

11611617617238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967634801431 + ... + 967634801442.

It is an arithmetic number, because the mean of its divisors is an integer number (2902904404311).

Almost surely, 2^{11611617617238} is an apocalyptic number.

11611617617238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11611617617238 is a wasteful number, since it uses less digits than its factorization.

11611617617238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935269602878.

The product of its digits is 508032, while the sum is 51.

The spelling of 11611617617238 in words is "eleven trillion, six hundred eleven billion, six hundred seventeen million, six hundred seventeen thousand, two hundred thirty-eight".