1151042056 has 16 divisors (see below), whose sum is σ = 2179573740. Its totient is φ = 569822400.

The previous prime is 1151041999. The next prime is 1151042063. The reversal of 1151042056 is 6502401511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1147176900 + 3865156 = 33870^2 + 1966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1151042056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711471 + ... + 713086.

Almost surely, 2^1151042056 is an apocalyptic number.

It is an amenable number.

1151042056 is a deficient number, since it is larger than the sum of its proper divisors (1028531684).

1151042056 is a wasteful number, since it uses less digits than its factorization.

1151042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424664 (or 1424660 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1151042056 is about 33927.0107141788. The cubic root of 1151042056 is about 1048.0059072565.

Adding to 1151042056 its reverse (6502401511), we get a palindrome (7653443567).

The spelling of 1151042056 in words is "one billion, one hundred fifty-one million, forty-two thousand, fifty-six".