513152131550 has 12 divisors (see below), whose sum is σ = 954462964776. Its totient is φ = 205260852600.

The previous prime is 513152131511. The next prime is 513152131561. The reversal of 513152131550 is 55131251315.

It is a super-2 number, since 2×513152131550² (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 5 ways as a sum of consecutive naturals, for example, 5131521266 + ... + 5131521365.

It is an arithmetic number, because the mean of its divisors is an integer number (79538580398).

Almost surely, 2^513152131550 is an apocalyptic number.

513152131550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513152131550 is a deficient number, since it is larger than the sum of its proper divisors (441310833226).

513152131550 is a wasteful number, since it uses less digits than its factorization.

513152131550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10263042643 (or 10263042638 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 513152131550 its reverse (55131251315), we get a palindrome (568283382865).

The spelling of 513152131550 in words is "five hundred thirteen billion, one hundred fifty-two million, one hundred thirty-one thousand, five hundred fifty".