1523041543061 has 2 divisors, whose sum is σ = 1523041543062. Its totient is φ = 1523041543060.

The previous prime is 1523041543057. The next prime is 1523041543097. The reversal of 1523041543061 is 1603451403251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966347980900 + 556693562161 = 983030^2 + 746119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1523041543061 - 2² = 1523041543057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1523041543861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761520771530 + 761520771531.

It is an arithmetic number, because the mean of its divisors is an integer number (761520771531).

Almost surely, 2^{1523041543061} is an apocalyptic number.

It is an amenable number.

1523041543061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523041543061 is an equidigital number, since it uses as much as digits as its factorization.

1523041543061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1523041543061 in words is "one trillion, five hundred twenty-three billion, forty-one million, five hundred forty-three thousand, sixty-one".