1155425156 has 12 divisors (see below), whose sum is σ = 2055141900. Its totient is φ = 568241760.

The previous prime is 1155425147. The next prime is 1155425177. The reversal of 1155425156 is 6515245511.

It can be written as a sum of positive squares in 2 ways, for example, as 309197056 + 846228100 = 17584^2 + 29090^2 .

It is a super-2 number, since 2×1155425156² = 2670014582235248672, which contains 22 as substring.

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, 2367431 + ... + 2367918.

It is an arithmetic number, because the mean of its divisors is an integer number (171261825).

Almost surely, 2^1155425156 is an apocalyptic number.

It is an amenable number.

1155425156 is a deficient number, since it is larger than the sum of its proper divisors (899716744).

1155425156 is a wasteful number, since it uses less digits than its factorization.

1155425156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735414 (or 4735412 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

The square root of 1155425156 is about 33991.5453605746. The cubic root of 1155425156 is about 1049.3344704661.

The spelling of 1155425156 in words is "one billion, one hundred fifty-five million, four hundred twenty-five thousand, one hundred fifty-six".