1011137541 has 4 divisors (see below), whose sum is σ = 1348183392. Its totient is φ = 674091692.

The previous prime is 1011137537. The next prime is 1011137557. The reversal of 1011137541 is 1457311101.

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: 1457311101 = 3 ⋅485770367.

It is a cyclic number.

It is not a de Polignac number, because 1011137541 - 2² = 1011137537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011137581) 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, 168522921 + ... + 168522926.

It is an arithmetic number, because the mean of its divisors is an integer number (337045848).

Almost surely, 2^1011137541 is an apocalyptic number.

It is an amenable number.

1011137541 is a deficient number, since it is larger than the sum of its proper divisors (337045851).

1011137541 is an equidigital number, since it uses as much as digits as its factorization.

1011137541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337045850.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 1011137541 is about 31798.3889686254. The cubic root of 1011137541 is about 1003.6988155620.

Adding to 1011137541 its reverse (1457311101), we get a palindrome (2468448642).

The spelling of 1011137541 in words is "one billion, eleven million, one hundred thirty-seven thousand, five hundred forty-one".