268545511631541 has 16 divisors (see below), whose sum is σ = 374646599368704. Its totient is φ = 170779801718064.

The previous prime is 268545511631513. The next prime is 268545511631549. The reversal of 268545511631541 is 145136115545862.

It is not a de Polignac number, because 268545511631541 - 2¹⁸ = 268545511369397 is a prime.

It is a super-2 number, since 2×268545511631541² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268545511631549) 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, 5302377861 + ... + 5302428506.

It is an arithmetic number, because the mean of its divisors is an integer number (23415412460544).

Almost surely, 2^{268545511631541} is an apocalyptic number.

It is an amenable number.

268545511631541 is a deficient number, since it is larger than the sum of its proper divisors (106101087737163).

268545511631541 is a wasteful number, since it uses less digits than its factorization.

268545511631541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604806760.

The product of its digits is 17280000, while the sum is 57.

The spelling of 268545511631541 in words is "two hundred sixty-eight trillion, five hundred forty-five billion, five hundred eleven million, six hundred thirty-one thousand, five hundred forty-one".