1157111229305 has 16 divisors (see below), whose sum is σ = 1422461585664. Its totient is φ = 903072193920.

The previous prime is 1157111229301. The next prime is 1157111229371. The reversal of 1157111229305 is 5039221117511.

It is not a de Polignac number, because 1157111229305 - 2² = 1157111229301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157111229301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5201162 + ... + 5419068.

It is an arithmetic number, because the mean of its divisors is an integer number (88903849104).

Almost surely, 2^{1157111229305} is an apocalyptic number.

It is an amenable number.

1157111229305 is a deficient number, since it is larger than the sum of its proper divisors (265350356359).

1157111229305 is a wasteful number, since it uses less digits than its factorization.

1157111229305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243856.

The product of its (nonzero) digits is 18900, while the sum is 38.

The spelling of 1157111229305 in words is "one trillion, one hundred fifty-seven billion, one hundred eleven million, two hundred twenty-nine thousand, three hundred five".