26142620515016 has 8 divisors (see below), whose sum is σ = 49017413465670. Its totient is φ = 13071310257504.

The previous prime is 26142620514977. The next prime is 26142620515069. The reversal of 26142620515016 is 61051502624162.

It can be written as a sum of positive squares in only one way, i.e., 25439454412516 + 703166102500 = 5043754^2 + 838550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633913782181 + ... + 1633913782196.

Almost surely, 2^{26142620515016} is an apocalyptic number.

It is an amenable number.

26142620515016 is a deficient number, since it is larger than the sum of its proper divisors (22874792950654).

26142620515016 is a wasteful number, since it uses less digits than its factorization.

26142620515016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267827564383 (or 3267827564379 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 26142620515016 in words is "twenty-six trillion, one hundred forty-two billion, six hundred twenty million, five hundred fifteen thousand, sixteen".