1156715012 has 12 divisors (see below), whose sum is σ = 2037837900. Its totient is φ = 574475616.

The previous prime is 1156714987. The next prime is 1156715023. The reversal of 1156715012 is 2105176511.

It can be written as a sum of positive squares in 2 ways, for example, as 185395456 + 971319556 = 13616^2 + 31166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969803 + ... + 970994.

It is an arithmetic number, because the mean of its divisors is an integer number (169819825).

Almost surely, 2^1156715012 is an apocalyptic number.

It is an amenable number.

1156715012 is a deficient number, since it is larger than the sum of its proper divisors (881122888).

1156715012 is a wasteful number, since it uses less digits than its factorization.

1156715012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940950 (or 1940948 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 29.

The square root of 1156715012 is about 34010.5132569328. The cubic root of 1156715012 is about 1049.7247992303.

The spelling of 1156715012 in words is "one billion, one hundred fifty-six million, seven hundred fifteen thousand, twelve".