11545440276 has 12 divisors (see below), whose sum is σ = 26939360672. Its totient is φ = 3848480088.

The previous prime is 11545440253. The next prime is 11545440301. The reversal of 11545440276 is 67204454511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×11545440276⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481060000 + ... + 481060023.

Almost surely, 2^11545440276 is an apocalyptic number.

It is an amenable number.

11545440276 is an abundant number, since it is smaller than the sum of its proper divisors (15393920396).

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

11545440276 is a wasteful number, since it uses less digits than its factorization.

11545440276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962120030 (or 962120028 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 11545440276 its reverse (67204454511), we get a palindrome (78749894787).

The spelling of 11545440276 in words is "eleven billion, five hundred forty-five million, four hundred forty thousand, two hundred seventy-six".