2115402007 has 2 divisors, whose sum is σ = 2115402008. Its totient is φ = 2115402006.

The previous prime is 2115401969. The next prime is 2115402019. The reversal of 2115402007 is 7002045112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2115402007 - 2¹⁵ = 2115369239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115402097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057701003 + 1057701004.

It is an arithmetic number, because the mean of its divisors is an integer number (1057701004).

Almost surely, 2^2115402007 is an apocalyptic number.

2115402007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115402007 is an equidigital number, since it uses as much as digits as its factorization.

2115402007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2115402007 is about 45993.4996167937. The cubic root of 2115402007 is about 1283.7022547534.

Adding to 2115402007 its reverse (7002045112), we get a palindrome (9117447119).

The spelling of 2115402007 in words is "two billion, one hundred fifteen million, four hundred two thousand, seven".