116401511 has 2 divisors, whose sum is σ = 116401512. Its totient is φ = 116401510.

The previous prime is 116401507. The next prime is 116401529. The reversal of 116401511 is 115104611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (115104611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116401511 - 2² = 116401507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116401531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58200755 + 58200756.

It is an arithmetic number, because the mean of its divisors is an integer number (58200756).

Almost surely, 2^116401511 is an apocalyptic number.

116401511 is a deficient number, since it is larger than the sum of its proper divisors (1).

116401511 is an equidigital number, since it uses as much as digits as its factorization.

116401511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 116401511 is about 10788.9531929655. The cubic root of 116401511 is about 488.2619403008.

The spelling of 116401511 in words is "one hundred sixteen million, four hundred one thousand, five hundred eleven".