2126615445650 has 48 divisors (see below), whose sum is σ = 3961930045248. Its totient is φ = 849265560000.

The previous prime is 2126615445631. The next prime is 2126615445653. The reversal of 2126615445650 is 565445166212.

It is a junction number, because it is equal to n+sod(n) for n = 2126615445595 and 2126615445604.

It is not an unprimeable number, because it can be changed into a prime (2126615445653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79542785 + ... + 79569515.

It is an arithmetic number, because the mean of its divisors is an integer number (82540209276).

Almost surely, 2^{2126615445650} is an apocalyptic number.

2126615445650 is a deficient number, since it is larger than the sum of its proper divisors (1835314599598).

2126615445650 is a wasteful number, since it uses less digits than its factorization.

2126615445650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29267 (or 29262 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 2126615445650 in words is "two trillion, one hundred twenty-six billion, six hundred fifteen million, four hundred forty-five thousand, six hundred fifty".