511061340415 has 16 divisors (see below), whose sum is σ = 647501512320. Its totient is φ = 386160492960.

The previous prime is 511061340409. The next prime is 511061340437. The reversal of 511061340415 is 514043160115.

It is not a de Polignac number, because 511061340415 - 2³ = 511061340407 is a prime.

It is a super-2 number, since 2×511061340415² (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, 8094829 + ... + 8157718.

It is an arithmetic number, because the mean of its divisors is an integer number (40468844520).

Almost surely, 2^511061340415 is an apocalyptic number.

511061340415 is a deficient number, since it is larger than the sum of its proper divisors (136440171905).

511061340415 is a wasteful number, since it uses less digits than its factorization.

511061340415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252902.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 511061340415 in words is "five hundred eleven billion, sixty-one million, three hundred forty thousand, four hundred fifteen".