11078121510990 has 48 divisors (see below), whose sum is σ = 28804425996528. Its totient is φ = 2954031370368.

The previous prime is 11078121510983. The next prime is 11078121511013. The reversal of 11078121510990 is 9901512187011.

11078121510990 is a `hidden beast` number, since 1 + 1 + 0 + 7 + 8 + 121 + 510 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801684 + ... + 4774823.

It is an arithmetic number, because the mean of its divisors is an integer number (600092208261).

Almost surely, 2^{11078121510990} is an apocalyptic number.

11078121510990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11078121510990 is an abundant number, since it is smaller than the sum of its proper divisors (17726304485538).

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

11078121510990 is a wasteful number, since it uses less digits than its factorization.

11078121510990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598593 (or 5598590 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 45.

The spelling of 11078121510990 in words is "eleven trillion, seventy-eight billion, one hundred twenty-one million, five hundred ten thousand, nine hundred ninety".