11129933501 has 4 divisors (see below), whose sum is σ = 11140424604. Its totient is φ = 11119442400.

The previous prime is 11129933497. The next prime is 11129933527. The reversal of 11129933501 is 10533992111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8803318276 + 2326615225 = 93826^2 + 48235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11129933501 - 2² = 11129933497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129932501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243960 + ... + 5246081.

It is an arithmetic number, because the mean of its divisors is an integer number (2785106151).

Almost surely, 2^11129933501 is an apocalyptic number.

It is an amenable number.

11129933501 is a deficient number, since it is larger than the sum of its proper divisors (10491103).

11129933501 is a wasteful number, since it uses less digits than its factorization.

11129933501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491102.

The product of its (nonzero) digits is 7290, while the sum is 35.

The spelling of 11129933501 in words is "eleven billion, one hundred twenty-nine million, nine hundred thirty-three thousand, five hundred one".