1151402155 has 8 divisors (see below), whose sum is σ = 1426253184. Its totient is φ = 891408000.

The previous prime is 1151402143. The next prime is 1151402159. The reversal of 1151402155 is 5512041511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151402155 - 2¹⁷ = 1151271083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151402159) 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, 3714046 + ... + 3714355.

It is an arithmetic number, because the mean of its divisors is an integer number (178281648).

Almost surely, 2^1151402155 is an apocalyptic number.

1151402155 is a deficient number, since it is larger than the sum of its proper divisors (274851029).

1151402155 is an equidigital number, since it uses as much as digits as its factorization.

1151402155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428437.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1151402155 is about 33932.3172654035. The cubic root of 1151402155 is about 1048.1151840431.

Adding to 1151402155 its reverse (5512041511), we get a palindrome (6663443666).

The spelling of 1151402155 in words is "one billion, one hundred fifty-one million, four hundred two thousand, one hundred fifty-five".