1157630277273 has 4 divisors (see below), whose sum is σ = 1543507036368. Its totient is φ = 771753518180.

The previous prime is 1157630277253. The next prime is 1157630277311. The reversal of 1157630277273 is 3727720367511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1157630277273 - 2¹⁰ = 1157630276249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157630277253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192938379543 + ... + 192938379548.

It is an arithmetic number, because the mean of its divisors is an integer number (385876759092).

Almost surely, 2^{1157630277273} is an apocalyptic number.

It is an amenable number.

1157630277273 is a deficient number, since it is larger than the sum of its proper divisors (385876759095).

1157630277273 is an equidigital number, since it uses as much as digits as its factorization.

1157630277273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385876759094.

The product of its (nonzero) digits is 2593080, while the sum is 51.

The spelling of 1157630277273 in words is "one trillion, one hundred fifty-seven billion, six hundred thirty million, two hundred seventy-seven thousand, two hundred seventy-three".