11451340434 has 16 divisors (see below), whose sum is σ = 22904525088. Its totient is φ = 3816806112.

The previous prime is 11451340379. The next prime is 11451340447. The reversal of 11451340434 is 43404315411.

It is a super-2 number, since 2×11451340434² (a number of 21 digits) contains 22 as substring.

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, 11734 + ... + 151790.

It is an arithmetic number, because the mean of its divisors is an integer number (1431532818).

Almost surely, 2^11451340434 is an apocalyptic number.

11451340434 is an abundant number, since it is smaller than the sum of its proper divisors (11453184654).

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

11451340434 is a wasteful number, since it uses less digits than its factorization.

11451340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153689.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11451340434 its reverse (43404315411), we get a palindrome (54855655845).

The spelling of 11451340434 in words is "eleven billion, four hundred fifty-one million, three hundred forty thousand, four hundred thirty-four".