1115691741 has 24 divisors (see below), whose sum is σ = 1673713080. Its totient is φ = 715309056.

The previous prime is 1115691739. The next prime is 1115691743. The reversal of 1115691741 is 1471965111.

It is an interprime number because it is at equal distance from previous prime (1115691739) and next prime (1115691743).

It can be written as a sum of positive squares in 4 ways, for example, as 290566116 + 825125625 = 17046^2 + 28725^2 .

It is not a de Polignac number, because 1115691741 - 2¹ = 1115691739 is a prime.

It is a super-2 number, since 2×1115691741² = 2489536121871222162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115691696 and 1115691705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115691743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58761 + ... + 75393.

It is an arithmetic number, because the mean of its divisors is an integer number (69738045).

Almost surely, 2^1115691741 is an apocalyptic number.

It is an amenable number.

1115691741 is a deficient number, since it is larger than the sum of its proper divisors (558021339).

1115691741 is a wasteful number, since it uses less digits than its factorization.

1115691741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925 (or 16922 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

The square root of 1115691741 is about 33401.9721124367. The cubic root of 1115691741 is about 1037.1655254330.

The spelling of 1115691741 in words is "one billion, one hundred fifteen million, six hundred ninety-one thousand, seven hundred forty-one".