1150557541 has 4 divisors (see below), whose sum is σ = 1314922912. Its totient is φ = 986192172.

The previous prime is 1150557511. The next prime is 1150557547. The reversal of 1150557541 is 1457550511.

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 1150557541 - 2¹¹ = 1150555493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150557497 and 1150557506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150557547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82182675 + ... + 82182688.

It is an arithmetic number, because the mean of its divisors is an integer number (328730728).

Almost surely, 2^1150557541 is an apocalyptic number.

It is an amenable number.

1150557541 is a deficient number, since it is larger than the sum of its proper divisors (164365371).

1150557541 is an equidigital number, since it uses as much as digits as its factorization.

1150557541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164365370.

The product of its (nonzero) digits is 17500, while the sum is 34.

The square root of 1150557541 is about 33919.8694130741. The cubic root of 1150557541 is about 1047.8588388260.

The spelling of 1150557541 in words is "one billion, one hundred fifty million, five hundred fifty-seven thousand, five hundred forty-one".