1226634445015 has 80 divisors (see below), whose sum is σ = 1757325936960. Its totient is φ = 805129182720.

The previous prime is 1226634444941. The next prime is 1226634445021. The reversal of 1226634445015 is 5105444366221.

It is not a de Polignac number, because 1226634445015 - 2³⁵ = 1192274706647 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4428283057 + ... + 4428283333.

It is an arithmetic number, because the mean of its divisors is an integer number (21966574212).

Almost surely, 2^{1226634445015} is an apocalyptic number.

1226634445015 is a deficient number, since it is larger than the sum of its proper divisors (530691491945).

1226634445015 is an frugal number, since it uses more digits than its factorization.

1226634445015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1226634445015 in words is "one trillion, two hundred twenty-six billion, six hundred thirty-four million, four hundred forty-five thousand, fifteen".