11625552071 has 4 divisors (see below), whose sum is σ = 13286345232. Its totient is φ = 9964758912.

The previous prime is 11625552007. The next prime is 11625552077. The reversal of 11625552071 is 17025552611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17025552611 = 16561 ⋅1028051.

It is a cyclic number.

It is not a de Polignac number, because 11625552071 - 2⁶ = 11625552007 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 (11625552077) 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, 830396570 + ... + 830396583.

It is an arithmetic number, because the mean of its divisors is an integer number (3321586308).

Almost surely, 2^11625552071 is an apocalyptic number.

11625552071 is a deficient number, since it is larger than the sum of its proper divisors (1660793161).

11625552071 is an equidigital number, since it uses as much as digits as its factorization.

11625552071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660793160.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 11625552071 in words is "eleven billion, six hundred twenty-five million, five hundred fifty-two thousand, seventy-one".