1151055406 has 4 divisors (see below), whose sum is σ = 1726583112. Its totient is φ = 575527702.

The previous prime is 1151055331. The next prime is 1151055439. The reversal of 1151055406 is 6045501511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6045501511 = 7 ⋅863643073.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287763850 + ... + 287763853.

It is an arithmetic number, because the mean of its divisors is an integer number (431645778).

Almost surely, 2^1151055406 is an apocalyptic number.

1151055406 is a deficient number, since it is larger than the sum of its proper divisors (575527706).

1151055406 is an equidigital number, since it uses as much as digits as its factorization.

1151055406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575527705.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1151055406 is about 33927.2074595007. The cubic root of 1151055406 is about 1048.0099588967.

Adding to 1151055406 its reverse (6045501511), we get a palindrome (7196556917).

The spelling of 1151055406 in words is "one billion, one hundred fifty-one million, fifty-five thousand, four hundred six".