1155160501 has 24 divisors (see below), whose sum is σ = 1303868160. Its totient is φ = 1022160480.

The previous prime is 1155160463. The next prime is 1155160507. The reversal of 1155160501 is 1050615511.

It is not a de Polignac number, because 1155160501 - 2¹¹ = 1155158453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155160507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301880 + ... + 1302766.

It is an arithmetic number, because the mean of its divisors is an integer number (54327840).

Almost surely, 2^1155160501 is an apocalyptic number.

1155160501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1155160501 is a deficient number, since it is larger than the sum of its proper divisors (148707659).

1155160501 is a wasteful number, since it uses less digits than its factorization.

1155160501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 1155160501 is about 33987.6521842860. The cubic root of 1155160501 is about 1049.2543461877.

The spelling of 1155160501 in words is "one billion, one hundred fifty-five million, one hundred sixty thousand, five hundred one".