12601258511537 has 16 divisors (see below), whose sum is σ = 12918303159552. Its totient is φ = 12288542192640.

The previous prime is 12601258511531. The next prime is 12601258511539. The reversal of 12601258511537 is 73511585210621.

It is a cyclic number.

It is not a de Polignac number, because 12601258511537 - 2⁶ = 12601258511473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12601258511491 and 12601258511500.

It is not an unprimeable number, because it can be changed into a prime (12601258511531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294633 + ... + 5519769.

It is an arithmetic number, because the mean of its divisors is an integer number (807393947472).

Almost surely, 2^{12601258511537} is an apocalyptic number.

It is an amenable number.

12601258511537 is a deficient number, since it is larger than the sum of its proper divisors (317044648015).

12601258511537 is a wasteful number, since it uses less digits than its factorization.

12601258511537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225808.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 12601258511537 in words is "twelve trillion, six hundred one billion, two hundred fifty-eight million, five hundred eleven thousand, five hundred thirty-seven".