11105610501551 has 2 divisors, whose sum is σ = 11105610501552. Its totient is φ = 11105610501550.

The previous prime is 11105610501527. The next prime is 11105610501589. The reversal of 11105610501551 is 15510501650111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11105610501551 - 2²² = 11105606307247 is a prime.

It is a super-2 number, since 2×11105610501551² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11105610501521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552805250775 + 5552805250776.

It is an arithmetic number, because the mean of its divisors is an integer number (5552805250776).

Almost surely, 2^{11105610501551} is an apocalyptic number.

11105610501551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105610501551 is an equidigital number, since it uses as much as digits as its factorization.

11105610501551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 11105610501551 in words is "eleven trillion, one hundred five billion, six hundred ten million, five hundred one thousand, five hundred fifty-one".