1151247126742 has 16 divisors (see below), whose sum is σ = 1767263889600. Its totient is φ = 562162700232.

The previous prime is 1151247126727. The next prime is 1151247126751. The reversal of 1151247126742 is 2476217421511.

It is a super-2 number, since 2×1151247126742² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226492 + ... + 1534207.

It is an arithmetic number, because the mean of its divisors is an integer number (110453993100).

Almost surely, 2^{1151247126742} is an apocalyptic number.

1151247126742 is a deficient number, since it is larger than the sum of its proper divisors (616016762858).

1151247126742 is a wasteful number, since it uses less digits than its factorization.

1151247126742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768347.

The product of its digits is 188160, while the sum is 43.

The spelling of 1151247126742 in words is "one trillion, one hundred fifty-one billion, two hundred forty-seven million, one hundred twenty-six thousand, seven hundred forty-two".