11651039 has 2 divisors, whose sum is σ = 11651040. Its totient is φ = 11651038.

The previous prime is 11651033. The next prime is 11651053. The reversal of 11651039 is 93015611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11651039 - 2⁴ = 11651023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11650999 and 11651017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11651033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825519 + 5825520.

It is an arithmetic number, because the mean of its divisors is an integer number (5825520).

Almost surely, 2^11651039 is an apocalyptic number.

11651039 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651039 is an equidigital number, since it uses as much as digits as its factorization.

11651039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11651039 is about 3413.3618325633. The cubic root of 11651039 is about 226.7017566302.

The spelling of 11651039 in words is "eleven million, six hundred fifty-one thousand, thirty-nine".