1054331111515 has 32 divisors (see below), whose sum is σ = 1399832036352. Its totient is φ = 755890800000.

The previous prime is 1054331111513. The next prime is 1054331111551. The reversal of 1054331111515 is 5151111334501.

It is not a de Polignac number, because 1054331111515 - 2¹ = 1054331111513 is a prime.

It is a super-2 number, since 2×1054331111515² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054331111513) 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 31 ways as a sum of consecutive naturals, for example, 48461890 + ... + 48483640.

It is an arithmetic number, because the mean of its divisors is an integer number (43744751136).

Almost surely, 2^{1054331111515} is an apocalyptic number.

1054331111515 is a deficient number, since it is larger than the sum of its proper divisors (345500924837).

1054331111515 is a wasteful number, since it uses less digits than its factorization.

1054331111515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34251.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 1054331111515 in words is "one trillion, fifty-four billion, three hundred thirty-one million, one hundred eleven thousand, five hundred fifteen".