1155256604 has 24 divisors (see below), whose sum is σ = 2111840640. Its totient is φ = 551927024.

The previous prime is 1155256591. The next prime is 1155256621. The reversal of 1155256604 is 4066525511.

It is a super-2 number, since 2×1155256604² = 2669235642171225632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87587 + ... + 99909.

It is an arithmetic number, because the mean of its divisors is an integer number (87993360).

Almost surely, 2^1155256604 is an apocalyptic number.

It is an amenable number.

1155256604 is a deficient number, since it is larger than the sum of its proper divisors (956584036).

1155256604 is a wasteful number, since it uses less digits than its factorization.

1155256604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369 (or 13367 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1155256604 is about 33989.0659477427. The cubic root of 1155256604 is about 1049.2834427776.

The spelling of 1155256604 in words is "one billion, one hundred fifty-five million, two hundred fifty-six thousand, six hundred four".