11512354131503 has 8 divisors (see below), whose sum is σ = 11610490041072. Its totient is φ = 11414532257856.

The previous prime is 11512354131451. The next prime is 11512354131587. The reversal of 11512354131503 is 30513145321511.

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 11512354131503 - 2²² = 11512349937199 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 (11512354134503) 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, 78435350 + ... + 78581987.

It is an arithmetic number, because the mean of its divisors is an integer number (1451311255134).

Almost surely, 2^{11512354131503} is an apocalyptic number.

11512354131503 is a deficient number, since it is larger than the sum of its proper divisors (98135909569).

11512354131503 is a wasteful number, since it uses less digits than its factorization.

11512354131503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157017961.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 11512354131503 in words is "eleven trillion, five hundred twelve billion, three hundred fifty-four million, one hundred thirty-one thousand, five hundred three".