511114051261 has 16 divisors (see below), whose sum is σ = 568082870208. Its totient is φ = 455977312000.

The previous prime is 511114051237. The next prime is 511114051267. The reversal of 511114051261 is 162150411115.

It is a cyclic number.

It is not a de Polignac number, because 511114051261 - 2⁵ = 511114051229 is a prime.

It is a super-2 number, since 2×511114051261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511114051267) 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, 1910071 + ... + 2161156.

It is an arithmetic number, because the mean of its divisors is an integer number (35505179388).

Almost surely, 2^511114051261 is an apocalyptic number.

It is an amenable number.

511114051261 is a deficient number, since it is larger than the sum of its proper divisors (56968818947).

511114051261 is a wasteful number, since it uses less digits than its factorization.

511114051261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071452.

The product of its (nonzero) digits is 1200, while the sum is 28.

Adding to 511114051261 its reverse (162150411115), we get a palindrome (673264462376).

The spelling of 511114051261 in words is "five hundred eleven billion, one hundred fourteen million, fifty-one thousand, two hundred sixty-one".