1161301763 has 4 divisors (see below), whose sum is σ = 1211793168. Its totient is φ = 1110810360.

The previous prime is 1161301759. The next prime is 1161301787. The reversal of 1161301763 is 3671031611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3671031611 = 13 ⋅282387047.

It is a cyclic number.

It is not a de Polignac number, because 1161301763 - 2² = 1161301759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161301733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25245668 + ... + 25245713.

It is an arithmetic number, because the mean of its divisors is an integer number (302948292).

Almost surely, 2^1161301763 is an apocalyptic number.

1161301763 is a deficient number, since it is larger than the sum of its proper divisors (50491405).

1161301763 is an equidigital number, since it uses as much as digits as its factorization.

1161301763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50491404.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1161301763 is about 34077.8779122175. The cubic root of 1161301763 is about 1051.1104693071.

The spelling of 1161301763 in words is "one billion, one hundred sixty-one million, three hundred one thousand, seven hundred sixty-three".