1161526465 has 8 divisors (see below), whose sum is σ = 1520543808. Its totient is φ = 844746480.

The previous prime is 1161526453. The next prime is 1161526469. The reversal of 1161526465 is 5646251611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161526465 - 2⁷ = 1161526337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161526469) 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, 10559277 + ... + 10559386.

It is an arithmetic number, because the mean of its divisors is an integer number (190067976).

Almost surely, 2^1161526465 is an apocalyptic number.

It is an amenable number.

1161526465 is a deficient number, since it is larger than the sum of its proper divisors (359017343).

1161526465 is a wasteful number, since it uses less digits than its factorization.

1161526465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118679.

The product of its digits is 43200, while the sum is 37.

The square root of 1161526465 is about 34081.1746423154. The cubic root of 1161526465 is about 1051.1782585761.

The spelling of 1161526465 in words is "one billion, one hundred sixty-one million, five hundred twenty-six thousand, four hundred sixty-five".