1156353461 has 8 divisors (see below), whose sum is σ = 1162256640. Its totient is φ = 1150459632.

The previous prime is 1156353439. The next prime is 1156353467. The reversal of 1156353461 is 1643536511.

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

It is a cyclic number.

It is not a de Polignac number, because 1156353461 - 2¹⁸ = 1156091317 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 (1156353467) 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, 460736 + ... + 463238.

It is an arithmetic number, because the mean of its divisors is an integer number (145282080).

Almost surely, 2^1156353461 is an apocalyptic number.

It is an amenable number.

1156353461 is a deficient number, since it is larger than the sum of its proper divisors (5903179).

1156353461 is a wasteful number, since it uses less digits than its factorization.

1156353461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its digits is 32400, while the sum is 35.

The square root of 1156353461 is about 34005.1975586086. The cubic root of 1156353461 is about 1049.6154180383.

Adding to 1156353461 its reverse (1643536511), we get a palindrome (2799889972).

The spelling of 1156353461 in words is "one billion, one hundred fifty-six million, three hundred fifty-three thousand, four hundred sixty-one".