5156521042132 has 6 divisors (see below), whose sum is σ = 9023911823738. Its totient is φ = 2578260521064.

The previous prime is 5156521042063. The next prime is 5156521042199. The reversal of 5156521042132 is 2312401256515.

It can be written as a sum of positive squares in only one way, i.e., 2799049457296 + 2357471584836 = 1673036^2 + 1535406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5156521042091 and 5156521042100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644565130263 + ... + 644565130270.

Almost surely, 2^{5156521042132} is an apocalyptic number.

It is an amenable number.

5156521042132 is a deficient number, since it is larger than the sum of its proper divisors (3867390781606).

5156521042132 is a wasteful number, since it uses less digits than its factorization.

5156521042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289130260537 (or 1289130260535 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 5156521042132 its reverse (2312401256515), we get a palindrome (7468922298647).

The spelling of 5156521042132 in words is "five trillion, one hundred fifty-six billion, five hundred twenty-one million, forty-two thousand, one hundred thirty-two".