11147045125 has 8 divisors (see below), whose sum is σ = 13911512472. Its totient is φ = 8917636000.

The previous prime is 11147045111. The next prime is 11147045149. The reversal of 11147045125 is 52154074111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3112970436 + 8034074689 = 55794^2 + 89633^2 .

It is not a de Polignac number, because 11147045125 - 2¹³ = 11147036933 is a prime.

It is a super-3 number, since 3×11147045125³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

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, 44588056 + ... + 44588305.

It is an arithmetic number, because the mean of its divisors is an integer number (1738939059).

Almost surely, 2^11147045125 is an apocalyptic number.

It is an amenable number.

11147045125 is a deficient number, since it is larger than the sum of its proper divisors (2764467347).

11147045125 is an frugal number, since it uses more digits than its factorization.

11147045125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89176376 (or 89176366 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The spelling of 11147045125 in words is "eleven billion, one hundred forty-seven million, forty-five thousand, one hundred twenty-five".