511111105041 has 16 divisors (see below), whose sum is σ = 687084441984. Its totient is φ = 337943808384.

The previous prime is 511111105019. The next prime is 511111105049. The reversal of 511111105041 is 140501111115.

It is not a de Polignac number, because 511111105041 - 2⁹ = 511111104529 is a prime.

It is a super-2 number, since 2×511111105041² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511111104999 and 511111105017.

It is not an unprimeable number, because it can be changed into a prime (511111105049) 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, 119661 + ... + 1018106.

It is an arithmetic number, because the mean of its divisors is an integer number (42942777624).

Almost surely, 2^511111105041 is an apocalyptic number.

It is an amenable number.

511111105041 is a deficient number, since it is larger than the sum of its proper divisors (175973336943).

511111105041 is a wasteful number, since it uses less digits than its factorization.

511111105041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139000.

The product of its (nonzero) digits is 100, while the sum is 21.

Adding to 511111105041 its reverse (140501111115), we get a palindrome (651612216156).

The spelling of 511111105041 in words is "five hundred eleven billion, one hundred eleven million, one hundred five thousand, forty-one".