5121274063740 has 96 divisors (see below), whose sum is σ = 14385255284736. Its totient is φ = 1361327385600.

The previous prime is 5121274063729. The next prime is 5121274063747. The reversal of 5121274063740 is 473604721215.

It is a junction number, because it is equal to n+sod(n) for n = 5121274063692 and 5121274063701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121274063747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29817349 + ... + 29988611.

It is an arithmetic number, because the mean of its divisors is an integer number (149846409216).

Almost surely, 2^{5121274063740} is an apocalyptic number.

It is an amenable number.

5121274063740 is an abundant number, since it is smaller than the sum of its proper divisors (9263981220996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121274063740 is a wasteful number, since it uses less digits than its factorization.

5121274063740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172859 (or 172857 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

Adding to 5121274063740 its reverse (473604721215), we get a palindrome (5594878784955).

The spelling of 5121274063740 in words is "five trillion, one hundred twenty-one billion, two hundred seventy-four million, sixty-three thousand, seven hundred forty".