1151450661 has 8 divisors (see below), whose sum is σ = 1535431744. Its totient is φ = 767551680.

The previous prime is 1151450659. The next prime is 1151450687. The reversal of 1151450661 is 1660541511.

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

It is not a de Polignac number, because 1151450661 - 2¹ = 1151450659 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 (1151450561) 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, 29901 + ... + 56541.

It is an arithmetic number, because the mean of its divisors is an integer number (191928968).

Almost surely, 2^1151450661 is an apocalyptic number.

It is an amenable number.

1151450661 is a deficient number, since it is larger than the sum of its proper divisors (383981083).

1151450661 is a wasteful number, since it uses less digits than its factorization.

1151450661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41051.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1151450661 is about 33933.0320042286. The cubic root of 1151450661 is about 1048.1299020867.

The spelling of 1151450661 in words is "one billion, one hundred fifty-one million, four hundred fifty thousand, six hundred sixty-one".