15315102115050 has 192 divisors, whose sum is σ = 39370871352960. Its totient is φ = 3937365319680.

The previous prime is 15315102115039. The next prime is 15315102115111. The reversal of 15315102115050 is 5051120151351.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15315102114999 and 15315102115017.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1385099122 + ... + 1385110178.

It is an arithmetic number, because the mean of its divisors is an integer number (205056621630).

Almost surely, 2^{15315102115050} is an apocalyptic number.

15315102115050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15315102115050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19685435676480).

15315102115050 is an abundant number, since it is smaller than the sum of its proper divisors (24055769237910).

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

15315102115050 is a wasteful number, since it uses less digits than its factorization.

15315102115050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137 (or 14132 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 15315102115050 in words is "fifteen trillion, three hundred fifteen billion, one hundred two million, one hundred fifteen thousand, fifty".