1157265043293 has 4 divisors (see below), whose sum is σ = 1543020057728. Its totient is φ = 771510028860.

The previous prime is 1157265043283. The next prime is 1157265043369. The reversal of 1157265043293 is 3923405627511.

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 not a de Polignac number, because 1157265043293 - 2⁶ = 1157265043229 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 (1157265043243) 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, 192877507213 + ... + 192877507218.

It is an arithmetic number, because the mean of its divisors is an integer number (385755014432).

Almost surely, 2^{1157265043293} is an apocalyptic number.

It is an amenable number.

1157265043293 is a deficient number, since it is larger than the sum of its proper divisors (385755014435).

1157265043293 is an equidigital number, since it uses as much as digits as its factorization.

1157265043293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385755014434.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 1157265043293 in words is "one trillion, one hundred fifty-seven billion, two hundred sixty-five million, forty-three thousand, two hundred ninety-three".