1101151399 has 2 divisors, whose sum is σ = 1101151400. Its totient is φ = 1101151398.

The previous prime is 1101151379. The next prime is 1101151417. The reversal of 1101151399 is 9931511011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101151399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101151399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101151369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550575699 + 550575700.

It is an arithmetic number, because the mean of its divisors is an integer number (550575700).

Almost surely, 2^1101151399 is an apocalyptic number.

1101151399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101151399 is an equidigital number, since it uses as much as digits as its factorization.

1101151399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 31.

The square root of 1101151399 is about 33183.6013566942. The cubic root of 1101151399 is about 1032.6401614662.

The spelling of 1101151399 in words is "one billion, one hundred one million, one hundred fifty-one thousand, three hundred ninety-nine".