1151136426 has 16 divisors (see below), whose sum is σ = 2511570528. Its totient is φ = 348829200.

The previous prime is 1151136421. The next prime is 1151136439. The reversal of 1151136426 is 6246311511.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1151136393 and 1151136402.

It is not an unprimeable number, because it can be changed into a prime (1151136421) 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, 8720665 + ... + 8720796.

It is an arithmetic number, because the mean of its divisors is an integer number (156973158).

Almost surely, 2^1151136426 is an apocalyptic number.

1151136426 is an abundant number, since it is smaller than the sum of its proper divisors (1360434102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151136426 is a wasteful number, since it uses less digits than its factorization.

1151136426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17441477.

The product of its digits is 4320, while the sum is 30.

The square root of 1151136426 is about 33928.4014654390. The cubic root of 1151136426 is about 1048.0345472800.

Adding to 1151136426 its reverse (6246311511), we get a palindrome (7397447937).

The spelling of 1151136426 in words is "one billion, one hundred fifty-one million, one hundred thirty-six thousand, four hundred twenty-six".