11403400243434 has 16 divisors (see below), whose sum is σ = 22818977124672. Its totient is φ = 3799103974848.

The previous prime is 11403400243351. The next prime is 11403400243441. The reversal of 11403400243434 is 43434200430411.

It is a super-2 number, since 2×11403400243434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11403400243395 and 11403400243404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507347734 + ... + 507370209.

It is an arithmetic number, because the mean of its divisors is an integer number (1426186070292).

Almost surely, 2^{11403400243434} is an apocalyptic number.

11403400243434 is an abundant number, since it is smaller than the sum of its proper divisors (11415576881238).

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

11403400243434 is a wasteful number, since it uses less digits than its factorization.

11403400243434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014719821.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 11403400243434 its reverse (43434200430411), we get a palindrome (54837600673845).

The spelling of 11403400243434 in words is "eleven trillion, four hundred three billion, four hundred million, two hundred forty-three thousand, four hundred thirty-four".