1151709903 has 6 divisors (see below), whose sum is σ = 1663580984. Its totient is φ = 767806596.

The previous prime is 1151709869. The next prime is 1151709907. The reversal of 1151709903 is 3099071511.

1151709903 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1151709903 - 2²⁰ = 1150661327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151709907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63983875 + ... + 63983892.

Almost surely, 2^1151709903 is an apocalyptic number.

1151709903 is a deficient number, since it is larger than the sum of its proper divisors (511871081).

1151709903 is a wasteful number, since it uses less digits than its factorization.

1151709903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127967773 (or 127967770 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 1151709903 is about 33936.8516954652. The cubic root of 1151709903 is about 1048.2085561740.

The spelling of 1151709903 in words is "one billion, one hundred fifty-one million, seven hundred nine thousand, nine hundred three".