2603603606541 has 16 divisors (see below), whose sum is σ = 3967524662400. Its totient is φ = 1487725230528.

The previous prime is 2603603606537. The next prime is 2603603606563. The reversal of 2603603606541 is 1456063063062.

It is a happy number.

It is not a de Polignac number, because 2603603606541 - 2² = 2603603606537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2603603606493 and 2603603606502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603603606941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342806 + ... + 2647703.

It is an arithmetic number, because the mean of its divisors is an integer number (247970291400).

Almost surely, 2^{2603603606541} is an apocalyptic number.

2603603606541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2603603606541 is a deficient number, since it is larger than the sum of its proper divisors (1363921055859).

2603603606541 is a wasteful number, since it uses less digits than its factorization.

2603603606541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021588.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 2603603606541 in words is "two trillion, six hundred three billion, six hundred three million, six hundred six thousand, five hundred forty-one".