1523055432561 has 32 divisors (see below), whose sum is σ = 2315721397248. Its totient is φ = 882083727360.

The previous prime is 1523055432559. The next prime is 1523055432581. The reversal of 1523055432561 is 1652345503251.

It is not a de Polignac number, because 1523055432561 - 2¹ = 1523055432559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1523055432511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14827200 + ... + 14929566.

It is an arithmetic number, because the mean of its divisors is an integer number (72366293664).

Almost surely, 2^{1523055432561} is an apocalyptic number.

It is an amenable number.

1523055432561 is a deficient number, since it is larger than the sum of its proper divisors (792665964687).

1523055432561 is a wasteful number, since it uses less digits than its factorization.

1523055432561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124841.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 1523055432561 in words is "one trillion, five hundred twenty-three billion, fifty-five million, four hundred thirty-two thousand, five hundred sixty-one".