511012510345 has 4 divisors (see below), whose sum is σ = 613215012420. Its totient is φ = 408810008272.

The previous prime is 511012510343. The next prime is 511012510381. The reversal of 511012510345 is 543015210115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247454512704 + 263557997641 = 497448^2 + 513379^2 .

It is a cyclic number.

It is not a de Polignac number, because 511012510345 - 2¹ = 511012510343 is a prime.

It is a super-2 number, since 2×511012510345² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511012510343) 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, 51101251030 + ... + 51101251039.

It is an arithmetic number, because the mean of its divisors is an integer number (153303753105).

Almost surely, 2^511012510345 is an apocalyptic number.

It is an amenable number.

511012510345 is a deficient number, since it is larger than the sum of its proper divisors (102202502075).

511012510345 is a wasteful number, since it uses less digits than its factorization.

511012510345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102202502074.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 511012510345 in words is "five hundred eleven billion, twelve million, five hundred ten thousand, three hundred forty-five".