12611460521 has 16 divisors (see below), whose sum is σ = 14341060800. Its totient is φ = 10985083200.

The previous prime is 12611460493. The next prime is 12611460541. The reversal of 12611460521 is 12506411621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12611460521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (12611460541) 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, 109106 + ... + 192683.

It is an arithmetic number, because the mean of its divisors is an integer number (896316300).

Almost surely, 2^12611460521 is an apocalyptic number.

12611460521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12611460521 is a deficient number, since it is larger than the sum of its proper divisors (1729600279).

12611460521 is a wasteful number, since it uses less digits than its factorization.

12611460521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301960.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 12611460521 in words is "twelve billion, six hundred eleven million, four hundred sixty thousand, five hundred twenty-one".