511513101051 has 32 divisors (see below), whose sum is σ = 690723790848. Its totient is φ = 336684096000.

The previous prime is 511513101037. The next prime is 511513101079. The reversal of 511513101051 is 150101315115.

It is not a de Polignac number, because 511513101051 - 2⁵ = 511513101019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (511513181051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211630195 + ... + 211632611.

It is an arithmetic number, because the mean of its divisors is an integer number (21585118464).

Almost surely, 2^511513101051 is an apocalyptic number.

511513101051 is a deficient number, since it is larger than the sum of its proper divisors (179210689797).

511513101051 is a wasteful number, since it uses less digits than its factorization.

511513101051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its (nonzero) digits is 375, while the sum is 24.

Adding to 511513101051 its reverse (150101315115), we get a palindrome (661614416166).

The spelling of 511513101051 in words is "five hundred eleven billion, five hundred thirteen million, one hundred one thousand, fifty-one".