511323001045 has 16 divisors (see below), whose sum is σ = 614663562240. Its totient is φ = 408341511424.

The previous prime is 511323001001. The next prime is 511323001099. The reversal of 511323001045 is 540100323115.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 511323001045 - 2³¹ = 509175517397 is a prime.

It is a super-2 number, since 2×511323001045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10498269 + ... + 10546861.

It is an arithmetic number, because the mean of its divisors is an integer number (38416472640).

Almost surely, 2^511323001045 is an apocalyptic number.

It is an amenable number.

511323001045 is a deficient number, since it is larger than the sum of its proper divisors (103340561195).

511323001045 is a wasteful number, since it uses less digits than its factorization.

511323001045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52244.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 511323001045 in words is "five hundred eleven billion, three hundred twenty-three million, one thousand, forty-five".