1155417625 has 8 divisors (see below), whose sum is σ = 1441961352. Its totient is φ = 924334000.

The previous prime is 1155417619. The next prime is 1155417629. The reversal of 1155417625 is 5267145511.

It can be written as a sum of positive squares in 4 ways, for example, as 157552704 + 997864921 = 12552^2 + 31589^2 .

It is not a de Polignac number, because 1155417625 - 2³ = 1155417617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155417629) 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, 4621546 + ... + 4621795.

It is an arithmetic number, because the mean of its divisors is an integer number (180245169).

Almost surely, 2^1155417625 is an apocalyptic number.

It is an amenable number.

1155417625 is a deficient number, since it is larger than the sum of its proper divisors (286543727).

1155417625 is an frugal number, since it uses more digits than its factorization.

1155417625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243356 (or 9243346 counting only the distinct ones).

The product of its digits is 42000, while the sum is 37.

The square root of 1155417625 is about 33991.4345828475. The cubic root of 1155417625 is about 1049.3321906256.

The spelling of 1155417625 in words is "one billion, one hundred fifty-five million, four hundred seventeen thousand, six hundred twenty-five".