11615601022040 has 64 divisors (see below), whose sum is σ = 26388406467360. Its totient is φ = 4601369687040.

The previous prime is 11615601022037. The next prime is 11615601022057. The reversal of 11615601022040 is 4022010651611.

It is a junction number, because it is equal to n+sod(n) for n = 11615601021994 and 11615601022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210302 + ... + 4824461.

Almost surely, 2^{11615601022040} is an apocalyptic number.

11615601022040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11615601022040 is an abundant number, since it is smaller than the sum of its proper divisors (14772805445320).

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

11615601022040 is a wasteful number, since it uses less digits than its factorization.

11615601022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035332 (or 5035328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 11615601022040 its reverse (4022010651611), we get a palindrome (15637611673651).

The spelling of 11615601022040 in words is "eleven trillion, six hundred fifteen billion, six hundred one million, twenty-two thousand, forty".