12609760161528 has 48 divisors (see below), whose sum is σ = 34368958857480. Its totient is φ = 4176481068864.

The previous prime is 12609760161503. The next prime is 12609760161547. The reversal of 12609760161528 is 82516106790621.

It is a happy number.

12609760161528 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 9 + 7 + 601 + 6 + 1 + 5 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557745250 + ... + 557767857.

Almost surely, 2^{12609760161528} is an apocalyptic number.

12609760161528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12609760161528 is an abundant number, since it is smaller than the sum of its proper divisors (21759198695952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12609760161528 is a wasteful number, since it uses less digits than its factorization.

12609760161528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115513276 (or 1115513269 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 12609760161528 in words is "twelve trillion, six hundred nine billion, seven hundred sixty million, one hundred sixty-one thousand, five hundred twenty-eight".