11015551404342 has 80 divisors (see below), whose sum is σ = 25500068047872. Its totient is φ = 3550496217840.

The previous prime is 11015551404287. The next prime is 11015551404401. The reversal of 11015551404342 is 24340415551011.

11015551404342 is a `hidden beast` number, since 1 + 10 + 1 + 55 + 514 + 0 + 43 + 42 = 666.

It is a super-3 number, since 3×11015551404342³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11015551404297 and 11015551404306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5245153 + ... + 7038659.

Almost surely, 2^{11015551404342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11015551404342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12750034023936).

11015551404342 is an abundant number, since it is smaller than the sum of its proper divisors (14484516643530).

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

11015551404342 is a wasteful number, since it uses less digits than its factorization.

11015551404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794775 (or 1794766 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 11015551404342 its reverse (24340415551011), we get a palindrome (35355966955353).

The spelling of 11015551404342 in words is "eleven trillion, fifteen billion, five hundred fifty-one million, four hundred four thousand, three hundred forty-two".