11451843411 has 32 divisors (see below), whose sum is σ = 15646417920. Its totient is φ = 7448738304.

The previous prime is 11451843409. The next prime is 11451843439. The reversal of 11451843411 is 11434815411.

It is not a de Polignac number, because 11451843411 - 2¹ = 11451843409 is a prime.

It is a super-2 number, since 2×11451843411² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11451853411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10325725 + ... + 10326833.

It is an arithmetic number, because the mean of its divisors is an integer number (488950560).

Almost surely, 2^11451843411 is an apocalyptic number.

11451843411 is a deficient number, since it is larger than the sum of its proper divisors (4194574509).

11451843411 is a wasteful number, since it uses less digits than its factorization.

11451843411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its digits is 7680, while the sum is 33.

The spelling of 11451843411 in words is "eleven billion, four hundred fifty-one million, eight hundred forty-three thousand, four hundred eleven".