1054543511 has 4 divisors (see below), whose sum is σ = 1205192592. Its totient is φ = 903894432.

The previous prime is 1054543447. The next prime is 1054543517. The reversal of 1054543511 is 1153454501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1054543511 - 2⁶ = 1054543447 is a prime.

It is a super-2 number, since 2×1054543511² = 2224124033184414242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054543517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75324530 + ... + 75324543.

It is an arithmetic number, because the mean of its divisors is an integer number (301298148).

Almost surely, 2^1054543511 is an apocalyptic number.

1054543511 is a deficient number, since it is larger than the sum of its proper divisors (150649081).

1054543511 is an equidigital number, since it uses as much as digits as its factorization.

1054543511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150649080.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1054543511 is about 32473.7357105708. The cubic root of 1054543511 is about 1017.8602815930.

The spelling of 1054543511 in words is "one billion, fifty-four million, five hundred forty-three thousand, five hundred eleven".