1155026242646 has 16 divisors (see below), whose sum is σ = 1745181715200. Its totient is φ = 573299852328.

The previous prime is 1155026242619. The next prime is 1155026242691. The reversal of 1155026242646 is 6462426205511.

It is a junction number, because it is equal to n+sod(n) for n = 1155026242597 and 1155026242606.

It is a congruent number.

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, 2583911 + ... + 2997773.

It is an arithmetic number, because the mean of its divisors is an integer number (109073857200).

Almost surely, 2^{1155026242646} is an apocalyptic number.

1155026242646 is a deficient number, since it is larger than the sum of its proper divisors (590155472554).

1155026242646 is a wasteful number, since it uses less digits than its factorization.

1155026242646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424043.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1155026242646 in words is "one trillion, one hundred fifty-five billion, twenty-six million, two hundred forty-two thousand, six hundred forty-six".