11131834551 has 32 divisors (see below), whose sum is σ = 15987072000. Its totient is φ = 6868644480.

The previous prime is 11131834531. The next prime is 11131834573. The reversal of 11131834551 is 15543813111.

It is not a de Polignac number, because 11131834551 - 2³⁰ = 10058092727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131834531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507330 + ... + 528816.

It is an arithmetic number, because the mean of its divisors is an integer number (499596000).

Almost surely, 2^11131834551 is an apocalyptic number.

11131834551 is a deficient number, since it is larger than the sum of its proper divisors (4855237449).

11131834551 is a wasteful number, since it uses less digits than its factorization.

11131834551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719.

The product of its digits is 7200, while the sum is 33.

The spelling of 11131834551 in words is "eleven billion, one hundred thirty-one million, eight hundred thirty-four thousand, five hundred fifty-one".