12542002535 has 8 divisors (see below), whose sum is σ = 15935720976. Its totient is φ = 9443390080.

The previous prime is 12542002519. The next prime is 12542002559. The reversal of 12542002535 is 53520024521.

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

It is not a de Polignac number, because 12542002535 - 2⁴ = 12542002519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12542002498 and 12542002507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73776401 + ... + 73776570.

It is an arithmetic number, because the mean of its divisors is an integer number (1991965122).

Almost surely, 2^12542002535 is an apocalyptic number.

12542002535 is a deficient number, since it is larger than the sum of its proper divisors (3393718441).

12542002535 is a wasteful number, since it uses less digits than its factorization.

12542002535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147552993.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 12542002535 in words is "twelve billion, five hundred forty-two million, two thousand, five hundred thirty-five".