1157115162066 has 64 divisors (see below), whose sum is σ = 2388937162752. Its totient is φ = 373410000000.

The previous prime is 1157115162053. The next prime is 1157115162121. The reversal of 1157115162066 is 6602615117511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16698591 + ... + 16767741.

It is an arithmetic number, because the mean of its divisors is an integer number (37327143168).

Almost surely, 2^{1157115162066} is an apocalyptic number.

1157115162066 is an abundant number, since it is smaller than the sum of its proper divisors (1231822000686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157115162066 is a wasteful number, since it uses less digits than its factorization.

1157115162066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69719.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 1157115162066 in words is "one trillion, one hundred fifty-seven billion, one hundred fifteen million, one hundred sixty-two thousand, sixty-six".