1157370533 has 4 divisors (see below), whose sum is σ = 1262586048. Its totient is φ = 1052155020.

The previous prime is 1157370493. The next prime is 1157370547. The reversal of 1157370533 is 3350737511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3350737511 = 11 ⋅304612501.

It is a cyclic number.

It is not a de Polignac number, because 1157370533 - 2¹⁸ = 1157108389 is a prime.

It is a super-3 number, since 3×1157370533³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157370493 and 1157370502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157370133) 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, 52607741 + ... + 52607762.

It is an arithmetic number, because the mean of its divisors is an integer number (315646512).

Almost surely, 2^1157370533 is an apocalyptic number.

It is an amenable number.

1157370533 is a deficient number, since it is larger than the sum of its proper divisors (105215515).

1157370533 is a wasteful number, since it uses less digits than its factorization.

1157370533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105215514.

The product of its (nonzero) digits is 33075, while the sum is 35.

The square root of 1157370533 is about 34020.1489267757. The cubic root of 1157370533 is about 1049.9230580052.

The spelling of 1157370533 in words is "one billion, one hundred fifty-seven million, three hundred seventy thousand, five hundred thirty-three".