501145133677 has 8 divisors (see below), whose sum is σ = 501377886360. Its totient is φ = 500912443200.

The previous prime is 501145133647. The next prime is 501145133683. The reversal of 501145133677 is 776331541105.

It can be written as a sum of positive squares in 4 ways, for example, as 234469976841 + 266675156836 = 484221^2 + 516406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501145133677 - 2⁷ = 501145133549 is a prime.

It is a super-2 number, since 2×501145133677² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501145133647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23551599 + ... + 23572867.

It is an arithmetic number, because the mean of its divisors is an integer number (62672235795).

Almost surely, 2^501145133677 is an apocalyptic number.

It is an amenable number.

501145133677 is a deficient number, since it is larger than the sum of its proper divisors (232752683).

501145133677 is a wasteful number, since it uses less digits than its factorization.

501145133677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31103.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 501145133677 in words is "five hundred one billion, one hundred forty-five million, one hundred thirty-three thousand, six hundred seventy-seven".