1151101001 has 8 divisors (see below), whose sum is σ = 1154904960. Its totient is φ = 1147304592.

The previous prime is 1151100983. The next prime is 1151101051. The reversal of 1151101001 is 1001011511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151101051) 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, 481856 + ... + 484238.

It is an arithmetic number, because the mean of its divisors is an integer number (144363120).

Almost surely, 2^1151101001 is an apocalyptic number.

It is an amenable number.

1151101001 is a deficient number, since it is larger than the sum of its proper divisors (3803959).

1151101001 is an equidigital number, since it uses as much as digits as its factorization.

1151101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775.

The product of its (nonzero) digits is 5, while the sum is 11.

The square root of 1151101001 is about 33927.8794061757. The cubic root of 1151101001 is about 1048.0237964533.

Adding to 1151101001 its reverse (1001011511), we get a palindrome (2152112512).

The spelling of 1151101001 in words is "one billion, one hundred fifty-one million, one hundred one thousand, one".