1542526820941 has 2 divisors, whose sum is σ = 1542526820942. Its totient is φ = 1542526820940.

The previous prime is 1542526820927. The next prime is 1542526820977. The reversal of 1542526820941 is 1490286252451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1090343198025 + 452183622916 = 1044195^2 + 672446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542526820941 - 2¹⁹ = 1542526296653 is a prime.

It is a super-2 number, since 2×1542526820941² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542526820041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771263410470 + 771263410471.

It is an arithmetic number, because the mean of its divisors is an integer number (771263410471).

Almost surely, 2^{1542526820941} is an apocalyptic number.

It is an amenable number.

1542526820941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542526820941 is an equidigital number, since it uses as much as digits as its factorization.

1542526820941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 1542526820941 in words is "one trillion, five hundred forty-two billion, five hundred twenty-six million, eight hundred twenty thousand, nine hundred forty-one".