1151642426 has 32 divisors (see below), whose sum is σ = 1944461376. Its totient is φ = 511249200.

The previous prime is 1151642423. The next prime is 1151642447. The reversal of 1151642426 is 6242461511.

It is a junction number, because it is equal to n+sod(n) for n = 1151642392 and 1151642401.

It is not an unprimeable number, because it can be changed into a prime (1151642423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109436 + ... + 119496.

It is an arithmetic number, because the mean of its divisors is an integer number (60764418).

Almost surely, 2^1151642426 is an apocalyptic number.

1151642426 is a deficient number, since it is larger than the sum of its proper divisors (792818950).

1151642426 is a wasteful number, since it uses less digits than its factorization.

1151642426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139 (or 10117 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1151642426 is about 33935.8575256321. The cubic root of 1151642426 is about 1048.1880847718.

The spelling of 1151642426 in words is "one billion, one hundred fifty-one million, six hundred forty-two thousand, four hundred twenty-six".