11501140139 has 4 divisors (see below), whose sum is σ = 11501354760. Its totient is φ = 11500925520.

The previous prime is 11501140121. The next prime is 11501140159. The reversal of 11501140139 is 93104110511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11501140139 - 2¹² = 11501136043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11501140159) 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, 47984 + ... + 159074.

It is an arithmetic number, because the mean of its divisors is an integer number (2875338690).

Almost surely, 2^11501140139 is an apocalyptic number.

11501140139 is a deficient number, since it is larger than the sum of its proper divisors (214621).

11501140139 is a wasteful number, since it uses less digits than its factorization.

11501140139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214620.

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 11501140139 in words is "eleven billion, five hundred one million, one hundred forty thousand, one hundred thirty-nine".