11451152020015 has 16 divisors (see below), whose sum is σ = 14216547110400. Its totient is φ = 8844203999232.

The previous prime is 11451152019977. The next prime is 11451152020051. The reversal of 11451152020015 is 51002025115411.

It is a cyclic number.

It is not a de Polignac number, because 11451152020015 - 2¹¹ = 11451152017967 is a prime.

It is a super-2 number, since 2×11451152020015² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2112975 + ... + 5231344.

It is an arithmetic number, because the mean of its divisors is an integer number (888534194400).

Almost surely, 2^{11451152020015} is an apocalyptic number.

11451152020015 is a deficient number, since it is larger than the sum of its proper divisors (2765395090385).

11451152020015 is a wasteful number, since it uses less digits than its factorization.

11451152020015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355106.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 11451152020015 its reverse (51002025115411), we get a palindrome (62453177135426).

The spelling of 11451152020015 in words is "eleven trillion, four hundred fifty-one billion, one hundred fifty-two million, twenty thousand, fifteen".