1161525152 has 12 divisors (see below), whose sum is σ = 2286752706. Its totient is φ = 580762560.

The previous prime is 1161525133. The next prime is 1161525161. The reversal of 1161525152 is 2515251611.

It can be written as a sum of positive squares in only one way, i.e., 672053776 + 489471376 = 25924^2 + 22124^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18148799 + ... + 18148862.

Almost surely, 2^1161525152 is an apocalyptic number.

It is an amenable number.

1161525152 is a deficient number, since it is larger than the sum of its proper divisors (1125227554).

1161525152 is an equidigital number, since it uses as much as digits as its factorization.

1161525152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36297671 (or 36297663 counting only the distinct ones).

The product of its digits is 3000, while the sum is 29.

The square root of 1161525152 is about 34081.1553794762. The cubic root of 1161525152 is about 1051.1778624888.

Adding to 1161525152 its reverse (2515251611), we get a palindrome (3676776763).

The spelling of 1161525152 in words is "one billion, one hundred sixty-one million, five hundred twenty-five thousand, one hundred fifty-two".