1155261246227 has 8 divisors (see below), whose sum is σ = 1261239050352. Its totient is φ = 1049442451200.

The previous prime is 1155261246199. The next prime is 1155261246233. The reversal of 1155261246227 is 7226421625511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155261246227 - 2¹⁶ = 1155261180691 is a prime.

It is a super-2 number, since 2×1155261246227² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155261246257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39737078 + ... + 39766139.

It is an arithmetic number, because the mean of its divisors is an integer number (157654881294).

Almost surely, 2^{1155261246227} is an apocalyptic number.

1155261246227 is a deficient number, since it is larger than the sum of its proper divisors (105977804125).

1155261246227 is a wasteful number, since it uses less digits than its factorization.

1155261246227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79504549.

The product of its digits is 403200, while the sum is 44.

The spelling of 1155261246227 in words is "one trillion, one hundred fifty-five billion, two hundred sixty-one million, two hundred forty-six thousand, two hundred twenty-seven".