11115206604534 has 8 divisors (see below), whose sum is σ = 22230413209080. Its totient is φ = 3705068868176.

The previous prime is 11115206604457. The next prime is 11115206604559. The reversal of 11115206604534 is 43540660251111.

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

11115206604534 is an admirable number.

It is a super-2 number, since 2×11115206604534² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11115206604492 and 11115206604501.

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, 926267217039 + ... + 926267217050.

It is an arithmetic number, because the mean of its divisors is an integer number (2778801651135).

Almost surely, 2^{11115206604534} is an apocalyptic number.

11115206604534 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.

11115206604534 is a wasteful number, since it uses less digits than its factorization.

11115206604534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852534434094.

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 11115206604534 its reverse (43540660251111), we get a palindrome (54655866855645).

The spelling of 11115206604534 in words is "eleven trillion, one hundred fifteen billion, two hundred six million, six hundred four thousand, five hundred thirty-four".