15200021561034 has 16 divisors (see below), whose sum is σ = 30639413541888. Its totient is φ = 5026778783712.

The previous prime is 15200021560987. The next prime is 15200021561107. The reversal of 15200021561034 is 43016512000251.

It is a junction number, because it is equal to n+sod(n) for n = 15200021560992 and 15200021561010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9973766667 + ... + 9973768190.

It is an arithmetic number, because the mean of its divisors is an integer number (1914963346368).

Almost surely, 2^{15200021561034} is an apocalyptic number.

15200021561034 is an abundant number, since it is smaller than the sum of its proper divisors (15439391980854).

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

15200021561034 is a wasteful number, since it uses less digits than its factorization.

15200021561034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19947534989.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 15200021561034 its reverse (43016512000251), we get a palindrome (58216533561285).

The spelling of 15200021561034 in words is "fifteen trillion, two hundred billion, twenty-one million, five hundred sixty-one thousand, thirty-four".