1153550401 has 8 divisors (see below), whose sum is σ = 1222416000. Its totient is φ = 1085500080.

The previous prime is 1153550389. The next prime is 1153550407. The reversal of 1153550401 is 1040553511.

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-1153550401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153550407) 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, 200905 + ... + 206566.

It is an arithmetic number, because the mean of its divisors is an integer number (152802000).

Almost surely, 2^1153550401 is an apocalyptic number.

It is an amenable number.

1153550401 is a deficient number, since it is larger than the sum of its proper divisors (68865599).

1153550401 is a wasteful number, since it uses less digits than its factorization.

1153550401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407639.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1153550401 is about 33963.9573813182. The cubic root of 1153550401 is about 1048.7666246560.

The spelling of 1153550401 in words is "one billion, one hundred fifty-three million, five hundred fifty thousand, four hundred one".