11515152146231 has 8 divisors (see below), whose sum is σ = 12136985347680. Its totient is φ = 10908302877472.

The previous prime is 11515152146219. The next prime is 11515152146273. The reversal of 11515152146231 is 13264125151511.

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

It is a de Polignac number, because none of the positive numbers 2^k-11515152146231 is a prime.

It is a super-3 number, since 3×11515152146231³ (a number of 40 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 (11515152146831) 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, 3745981595 + ... + 3745984668.

It is an arithmetic number, because the mean of its divisors is an integer number (1517123168460).

Almost surely, 2^{11515152146231} is an apocalyptic number.

11515152146231 is a deficient number, since it is larger than the sum of its proper divisors (621833201449).

11515152146231 is an equidigital number, since it uses as much as digits as its factorization.

11515152146231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491966345.

The product of its digits is 36000, while the sum is 38.

Adding to 11515152146231 its reverse (13264125151511), we get a palindrome (24779277297742).

The spelling of 11515152146231 in words is "eleven trillion, five hundred fifteen billion, one hundred fifty-two million, one hundred forty-six thousand, two hundred thirty-one".