1155707455 has 16 divisors (see below), whose sum is σ = 1608629760. Its totient is φ = 780655392.

The previous prime is 1155707429. The next prime is 1155707461. The reversal of 1155707455 is 5547075511.

1155707455 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155707455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244075 + ... + 248764.

It is an arithmetic number, because the mean of its divisors is an integer number (100539360).

Almost surely, 2^1155707455 is an apocalyptic number.

1155707455 is a deficient number, since it is larger than the sum of its proper divisors (452922305).

1155707455 is an equidigital number, since it uses as much as digits as its factorization.

1155707455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492918.

The product of its (nonzero) digits is 122500, while the sum is 40.

The square root of 1155707455 is about 33995.6975954311. The cubic root of 1155707455 is about 1049.4199229792.

It can be divided in two parts, 1155 and 707455, that multiplied together give a triangular number (817110525 = T₄₀₄₂₅).

The spelling of 1155707455 in words is "one billion, one hundred fifty-five million, seven hundred seven thousand, four hundred fifty-five".