1151361601 has 16 divisors (see below), whose sum is σ = 1381968000. Its totient is φ = 947628288.

The previous prime is 1151361599. The next prime is 1151361613. The reversal of 1151361601 is 1061631511.

It is a cyclic number.

It is not a de Polignac number, because 1151361601 - 2¹ = 1151361599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151361691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132901 + ... + 141298.

It is an arithmetic number, because the mean of its divisors is an integer number (86373000).

Almost surely, 2^1151361601 is an apocalyptic number.

It is an amenable number.

1151361601 is a deficient number, since it is larger than the sum of its proper divisors (230606399).

1151361601 is a wasteful number, since it uses less digits than its factorization.

1151361601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274248.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1151361601 is about 33931.7196882209. The cubic root of 1151361601 is about 1048.1028785360.

The spelling of 1151361601 in words is "one billion, one hundred fifty-one million, three hundred sixty-one thousand, six hundred one".