12150551287603 has 4 divisors (see below), whose sum is σ = 12177138927640. Its totient is φ = 12123963647568.

The previous prime is 12150551287597. The next prime is 12150551287613. The reversal of 12150551287603 is 30678215505121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12150551287603 - 2³⁷ = 12013112334131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12150551287613) 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, 13293819333 + ... + 13293820246.

It is an arithmetic number, because the mean of its divisors is an integer number (3044284731910).

Almost surely, 2^{12150551287603} is an apocalyptic number.

12150551287603 is a deficient number, since it is larger than the sum of its proper divisors (26587640037).

12150551287603 is an equidigital number, since it uses as much as digits as its factorization.

12150551287603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26587640036.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 12150551287603 in words is "twelve trillion, one hundred fifty billion, five hundred fifty-one million, two hundred eighty-seven thousand, six hundred three".