1156017641 has 8 divisors (see below), whose sum is σ = 1160273760. Its totient is φ = 1151769312.

The previous prime is 1156017631. The next prime is 1156017671. The reversal of 1156017641 is 1467106511.

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-1156017641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1156017598 and 1156017607.

It is not an unprimeable number, because it can be changed into a prime (1156017601) 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, 523646 + ... + 525848.

It is an arithmetic number, because the mean of its divisors is an integer number (145034220).

Almost surely, 2^1156017641 is an apocalyptic number.

It is an amenable number.

1156017641 is a deficient number, since it is larger than the sum of its proper divisors (4256119).

1156017641 is a wasteful number, since it uses less digits than its factorization.

1156017641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1156017641 is about 34000.2594254809. The cubic root of 1156017641 is about 1049.5138009033.

The spelling of 1156017641 in words is "one billion, one hundred fifty-six million, seventeen thousand, six hundred forty-one".