1054131511 has 4 divisors (see below), whose sum is σ = 1059955624. Its totient is φ = 1048307400.

The previous prime is 1054131499. The next prime is 1054131539. The reversal of 1054131511 is 1151314501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1151314501 = 5791 ⋅198811.

It is a cyclic number.

It is not a de Polignac number, because 1054131511 - 2⁷ = 1054131383 is a prime.

It is a super-2 number, since 2×1054131511² = 2222386484966286242, 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 (1054131311) 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, 2911785 + ... + 2912146.

It is an arithmetic number, because the mean of its divisors is an integer number (264988906).

Almost surely, 2^1054131511 is an apocalyptic number.

1054131511 is a deficient number, since it is larger than the sum of its proper divisors (5824113).

1054131511 is an equidigital number, since it uses as much as digits as its factorization.

1054131511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824112.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1054131511 is about 32467.3915028602. The cubic root of 1054131511 is about 1017.7277082547.

The spelling of 1054131511 in words is "one billion, fifty-four million, one hundred thirty-one thousand, five hundred eleven".