11139772001 has 4 divisors (see below), whose sum is σ = 11523902100. Its totient is φ = 10755641904.

The previous prime is 11139771983. The next prime is 11139772013. The reversal of 11139772001 is 10027793111.

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 7590591376 + 3549180625 = 87124^2 + 59575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11139772001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11139772051) 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, 192065006 + ... + 192065063.

It is an arithmetic number, because the mean of its divisors is an integer number (2880975525).

Almost surely, 2^11139772001 is an apocalyptic number.

It is an amenable number.

11139772001 is a deficient number, since it is larger than the sum of its proper divisors (384130099).

11139772001 is an equidigital number, since it uses as much as digits as its factorization.

11139772001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384130098.

The product of its (nonzero) digits is 2646, while the sum is 32.

The spelling of 11139772001 in words is "eleven billion, one hundred thirty-nine million, seven hundred seventy-two thousand, one".