11772600071 has 8 divisors (see below), whose sum is σ = 12570138240. Its totient is φ = 10998869112.

The previous prime is 11772600061. The next prime is 11772600121. The reversal of 11772600071 is 17000627711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11772600071 is a prime.

It is a super-2 number, since 2×11772600071² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772600031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5950781 + ... + 5952758.

It is an arithmetic number, because the mean of its divisors is an integer number (1571267280).

Almost surely, 2^11772600071 is an apocalyptic number.

11772600071 is a deficient number, since it is larger than the sum of its proper divisors (797538169).

11772600071 is a wasteful number, since it uses less digits than its factorization.

11772600071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903605.

The product of its (nonzero) digits is 4116, while the sum is 32.

The spelling of 11772600071 in words is "eleven billion, seven hundred seventy-two million, six hundred thousand, seventy-one".