11671025711551 has 8 divisors (see below), whose sum is σ = 11673648242960. Its totient is φ = 11668403486592.

The previous prime is 11671025711531. The next prime is 11671025711591. The reversal of 11671025711551 is 15511752017611.

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 not a de Polignac number, because 11671025711551 - 2⁹ = 11671025711039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11671025711498 and 11671025711507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671025711531) 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, 86801191 + ... + 86935543.

It is an arithmetic number, because the mean of its divisors is an integer number (1459206030370).

Almost surely, 2^{11671025711551} is an apocalyptic number.

11671025711551 is a deficient number, since it is larger than the sum of its proper divisors (2622531409).

11671025711551 is a wasteful number, since it uses less digits than its factorization.

11671025711551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153225.

The product of its (nonzero) digits is 73500, while the sum is 43.

The spelling of 11671025711551 in words is "eleven trillion, six hundred seventy-one billion, twenty-five million, seven hundred eleven thousand, five hundred fifty-one".