11146421451 has 8 divisors (see below), whose sum is σ = 16212976704. Its totient is φ = 6755406920.

The previous prime is 11146421449. The next prime is 11146421453. The reversal of 11146421451 is 15412464111.

It is an interprime number because it is at equal distance from previous prime (11146421449) and next prime (11146421453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11146421451 - 2¹ = 11146421449 is a prime.

It is a super-2 number, since 2×11146421451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11146421453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168885141 + ... + 168885206.

It is an arithmetic number, because the mean of its divisors is an integer number (2026622088).

Almost surely, 2^11146421451 is an apocalyptic number.

11146421451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11146421451 is a deficient number, since it is larger than the sum of its proper divisors (5066555253).

11146421451 is a wasteful number, since it uses less digits than its factorization.

11146421451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337770361.

The product of its digits is 3840, while the sum is 30.

Adding to 11146421451 its reverse (15412464111), we get a palindrome (26558885562).

The spelling of 11146421451 in words is "eleven billion, one hundred forty-six million, four hundred twenty-one thousand, four hundred fifty-one".