11454251545 has 32 divisors (see below), whose sum is σ = 15084720000. Its totient is φ = 8280506880.

The previous prime is 11454251533. The next prime is 11454251569. The reversal of 11454251545 is 54515245411.

It is not a de Polignac number, because 11454251545 - 2¹¹ = 11454249497 is a prime.

It is a super-3 number, since 3×11454251545³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7850026 + ... + 7851484.

It is an arithmetic number, because the mean of its divisors is an integer number (471397500).

Almost surely, 2^11454251545 is an apocalyptic number.

It is an amenable number.

11454251545 is a deficient number, since it is larger than the sum of its proper divisors (3630468455).

11454251545 is a wasteful number, since it uses less digits than its factorization.

11454251545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its digits is 80000, while the sum is 37.

Adding to 11454251545 its reverse (54515245411), we get a palindrome (65969496956).

The spelling of 11454251545 in words is "eleven billion, four hundred fifty-four million, two hundred fifty-one thousand, five hundred forty-five".