1025155056615 has 16 divisors (see below), whose sum is σ = 1643837265888. Its totient is φ = 545552971776.

The previous prime is 1025155056587. The next prime is 1025155056619. The reversal of 1025155056615 is 5166505515201.

It is not a de Polignac number, because 1025155056615 - 2¹⁰ = 1025155055591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025155056619) 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 15 ways as a sum of consecutive naturals, for example, 74767402 + ... + 74781111.

It is an arithmetic number, because the mean of its divisors is an integer number (102739829118).

Almost surely, 2^{1025155056615} is an apocalyptic number.

1025155056615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025155056615 is a deficient number, since it is larger than the sum of its proper divisors (618682209273).

1025155056615 is a wasteful number, since it uses less digits than its factorization.

1025155056615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149548978.

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 1025155056615 in words is "one trillion, twenty-five billion, one hundred fifty-five million, fifty-six thousand, six hundred fifteen".