1115642701 has 2 divisors, whose sum is σ = 1115642702. Its totient is φ = 1115642700.

The previous prime is 1115642683. The next prime is 1115642711. The reversal of 1115642701 is 1072465111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895565476 + 220077225 = 29926^2 + 14835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115642701 - 2²⁵ = 1082088269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115642701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115642711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557821350 + 557821351.

It is an arithmetic number, because the mean of its divisors is an integer number (557821351).

Almost surely, 2^1115642701 is an apocalyptic number.

It is an amenable number.

1115642701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115642701 is an equidigital number, since it uses as much as digits as its factorization.

1115642701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1115642701 is about 33401.2380159778. The cubic root of 1115642701 is about 1037.1503290782.

The spelling of 1115642701 in words is "one billion, one hundred fifteen million, six hundred forty-two thousand, seven hundred one".