1150020541 has 2 divisors, whose sum is σ = 1150020542. Its totient is φ = 1150020540.

The previous prime is 1150020511. The next prime is 1150020551. The reversal of 1150020541 is 1450200511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960380100 + 189640441 = 30990^2 + 13771^2 .

It is an emirp because it is prime and its reverse (1450200511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150020541 - 2⁷ = 1150020413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150020511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575010270 + 575010271.

It is an arithmetic number, because the mean of its divisors is an integer number (575010271).

Almost surely, 2^1150020541 is an apocalyptic number.

It is an amenable number.

1150020541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150020541 is an equidigital number, since it uses as much as digits as its factorization.

1150020541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1150020541 is about 33911.9527747961. The cubic root of 1150020541 is about 1047.6957909870.

It can be divided in two parts, 11500 and 20541, that added together give a square (32041 = 179²).

The spelling of 1150020541 in words is "one billion, one hundred fifty million, twenty thousand, five hundred forty-one".