1156650461 has 2 divisors, whose sum is σ = 1156650462. Its totient is φ = 1156650460.

The previous prime is 1156650449. The next prime is 1156650499. The reversal of 1156650461 is 1640566511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1128624025 + 28026436 = 33595^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156650461 - 2²⁶ = 1089541597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156650961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578325230 + 578325231.

It is an arithmetic number, because the mean of its divisors is an integer number (578325231).

Almost surely, 2^1156650461 is an apocalyptic number.

It is an amenable number.

1156650461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156650461 is an equidigital number, since it uses as much as digits as its factorization.

1156650461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1156650461 is about 34009.5642577202. The cubic root of 1156650461 is about 1049.7052720793.

The spelling of 1156650461 in words is "one billion, one hundred fifty-six million, six hundred fifty thousand, four hundred sixty-one".