11355115530040 has 32 divisors (see below), whose sum is σ = 25550252100000. Its totient is φ = 4541825384064.

The previous prime is 11355115530019. The next prime is 11355115530053. The reversal of 11355115530040 is 4003551155311.

It is a junction number, because it is equal to n+sod(n) for n = 11355115529978 and 11355115530005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6066615 + ... + 7714534.

It is an arithmetic number, because the mean of its divisors is an integer number (798445378125).

Almost surely, 2^{11355115530040} is an apocalyptic number.

11355115530040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11355115530040 is an abundant number, since it is smaller than the sum of its proper divisors (14195136569960).

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

11355115530040 is a wasteful number, since it uses less digits than its factorization.

11355115530040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801759 (or 13801755 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 11355115530040 its reverse (4003551155311), we get a palindrome (15358666685351).

The spelling of 11355115530040 in words is "eleven trillion, three hundred fifty-five billion, one hundred fifteen million, five hundred thirty thousand, forty".