11031142125 has 64 divisors (see below), whose sum is σ = 19253145600. Its totient is φ = 5598331200.

The previous prime is 11031142099. The next prime is 11031142147. The reversal of 11031142125 is 52124113011.

It is not a de Polignac number, because 11031142125 - 2¹² = 11031138029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1713162 + ... + 1719588.

It is an arithmetic number, because the mean of its divisors is an integer number (300830400).

Almost surely, 2^11031142125 is an apocalyptic number.

11031142125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11031142125 is a deficient number, since it is larger than the sum of its proper divisors (8222003475).

11031142125 is a wasteful number, since it uses less digits than its factorization.

11031142125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667 (or 6657 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11031142125 its reverse (52124113011), we get a palindrome (63155255136).

The spelling of 11031142125 in words is "eleven billion, thirty-one million, one hundred forty-two thousand, one hundred twenty-five".