5215551610100 has 144 divisors (see below), whose sum is σ = 12317952985968. Its totient is φ = 1905276764160.

The previous prime is 5215551610081. The next prime is 5215551610111. The reversal of 5215551610100 is 10161555125.

It can be written as a sum of positive squares in 24 ways, for example, as 2401625879524 + 2813925730576 = 1549718^2 + 1677476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627091142 + ... + 627099458.

Almost surely, 2^{5215551610100} is an apocalyptic number.

5215551610100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215551610100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6158976492984).

5215551610100 is an abundant number, since it is smaller than the sum of its proper divisors (7102401375868).

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

5215551610100 is a wasteful number, since it uses less digits than its factorization.

5215551610100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414 (or 13407 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 5215551610100 in words is "five trillion, two hundred fifteen billion, five hundred fifty-one million, six hundred ten thousand, one hundred".