115156666651511 has 8 divisors (see below), whose sum is σ = 115238042177664. Its totient is φ = 115075301188320.

The previous prime is 115156666651423. The next prime is 115156666651541.

115156666651511 is nontrivially palindromic in base 10.

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-115156666651511 is a prime.

It is a super-3 number, since 3×115156666651511³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115156666651541) 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, 20453621 + ... + 25468881.

It is an arithmetic number, because the mean of its divisors is an integer number (14404755272208).

Almost surely, 2^{115156666651511} is an apocalyptic number.

115156666651511 is a deficient number, since it is larger than the sum of its proper divisors (81375526153).

115156666651511 is a wasteful number, since it uses less digits than its factorization.

115156666651511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031481.

The product of its digits is 4860000, while the sum is 56.

The spelling of 115156666651511 in words is "one hundred fifteen trillion, one hundred fifty-six billion, six hundred sixty-six million, six hundred fifty-one thousand, five hundred eleven".