1541545535403 has 20 divisors (see below), whose sum is σ = 2307841600680. Its totient is φ = 1025448208992.

The previous prime is 1541545535287. The next prime is 1541545535449. The reversal of 1541545535403 is 3045355451451.

It is a happy number.

1541545535403 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 54 + 5 + 53 + 540 + 3 = 666.

It is not a de Polignac number, because 1541545535403 - 2³⁶ = 1472826058667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1541545535473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20785113 + ... + 20859146.

It is an arithmetic number, because the mean of its divisors is an integer number (115392080034).

Almost surely, 2^{1541545535403} is an apocalyptic number.

1541545535403 is a deficient number, since it is larger than the sum of its proper divisors (766296065277).

1541545535403 is an equidigital number, since it uses as much as digits as its factorization.

1541545535403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41644728 (or 41644719 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 1541545535403 in words is "one trillion, five hundred forty-one billion, five hundred forty-five million, five hundred thirty-five thousand, four hundred three".