1147325155 has 32 divisors (see below), whose sum is σ = 1487160000. Its totient is φ = 846643200.

The previous prime is 1147325143. The next prime is 1147325177. The reversal of 1147325155 is 5515237411.

It is not a de Polignac number, because 1147325155 - 2⁹ = 1147324643 is a prime.

It is a super-2 number, since 2×1147325155² = 2632710022591548050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147325155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917971 + ... + 919219.

It is an arithmetic number, because the mean of its divisors is an integer number (46473750).

Almost surely, 2^1147325155 is an apocalyptic number.

1147325155 is a deficient number, since it is larger than the sum of its proper divisors (339834845).

1147325155 is a wasteful number, since it uses less digits than its factorization.

1147325155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479.

The product of its digits is 21000, while the sum is 34.

The square root of 1147325155 is about 33872.1885180158. The cubic root of 1147325155 is about 1046.8766306413.

The spelling of 1147325155 in words is "one billion, one hundred forty-seven million, three hundred twenty-five thousand, one hundred fifty-five".