1157789351 has 4 divisors (see below), whose sum is σ = 1159287912. Its totient is φ = 1156290792.

The previous prime is 1157789323. The next prime is 1157789357. The reversal of 1157789351 is 1539877511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1539877511 = 7789 ⋅197699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157789351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157789296 and 1157789305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157789357) 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, 748121 + ... + 749666.

It is an arithmetic number, because the mean of its divisors is an integer number (289821978).

Almost surely, 2^1157789351 is an apocalyptic number.

1157789351 is a deficient number, since it is larger than the sum of its proper divisors (1498561).

1157789351 is an equidigital number, since it uses as much as digits as its factorization.

1157789351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498560.

The product of its digits is 264600, while the sum is 47.

The square root of 1157789351 is about 34026.3038104347. The cubic root of 1157789351 is about 1050.0496880492.

The spelling of 1157789351 in words is "one billion, one hundred fifty-seven million, seven hundred eighty-nine thousand, three hundred fifty-one".