11010115415421 has 16 divisors (see below), whose sum is σ = 16460926891200. Its totient is φ = 7272736786224.

The previous prime is 11010115415413. The next prime is 11010115415443. The reversal of 11010115415421 is 12451451101011.

11010115415421 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 0 + 115 + 4 + 1 + 542 + 1 = 666.

11010115415421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11010115415421 - 2³ = 11010115415413 is a prime.

It is a super-2 number, since 2×11010115415421² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010115414421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870556931 + ... + 1870562816.

It is an arithmetic number, because the mean of its divisors is an integer number (1028807930700).

Almost surely, 2^{11010115415421} is an apocalyptic number.

It is an amenable number.

11010115415421 is a deficient number, since it is larger than the sum of its proper divisors (5450811475779).

11010115415421 is a wasteful number, since it uses less digits than its factorization.

11010115415421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741119865 (or 3741119859 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 27.

Adding to 11010115415421 its reverse (12451451101011), we get a palindrome (23461566516432).

The spelling of 11010115415421 in words is "eleven trillion, ten billion, one hundred fifteen million, four hundred fifteen thousand, four hundred twenty-one".