11603254060261 has 16 divisors (see below), whose sum is σ = 12644697312000. Its totient is φ = 10611293165568.

The previous prime is 11603254060249. The next prime is 11603254060291. The reversal of 11603254060261 is 16206045230611.

It is a cyclic number.

It is not a de Polignac number, because 11603254060261 - 2¹¹ = 11603254058213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11603254060261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603254060291) 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 15 ways as a sum of consecutive naturals, for example, 88931836 + ... + 89062213.

It is an arithmetic number, because the mean of its divisors is an integer number (790293582000).

Almost surely, 2^{11603254060261} is an apocalyptic number.

It is an amenable number.

11603254060261 is a deficient number, since it is larger than the sum of its proper divisors (1041443251739).

11603254060261 is a wasteful number, since it uses less digits than its factorization.

11603254060261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177994188.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 11603254060261 its reverse (16206045230611), we get a palindrome (27809299290872).

The spelling of 11603254060261 in words is "eleven trillion, six hundred three billion, two hundred fifty-four million, sixty thousand, two hundred sixty-one".