511010056001 has 4 divisors (see below), whose sum is σ = 521882610432. Its totient is φ = 500137501572.

The previous prime is 511010055991. The next prime is 511010056009. The reversal of 511010056001 is 100650010115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 511010056001 - 2¹⁸ = 511009793857 is a prime.

It is a super-2 number, since 2×511010056001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511010056009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5436277145 + ... + 5436277238.

It is an arithmetic number, because the mean of its divisors is an integer number (130470652608).

Almost surely, 2^511010056001 is an apocalyptic number.

It is an amenable number.

511010056001 is a deficient number, since it is larger than the sum of its proper divisors (10872554431).

511010056001 is a wasteful number, since it uses less digits than its factorization.

511010056001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872554430.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 511010056001 its reverse (100650010115), we get a palindrome (611660066116).

The spelling of 511010056001 in words is "five hundred eleven billion, ten million, fifty-six thousand, one".