1025124040155 has 32 divisors (see below), whose sum is σ = 1649550528000. Its totient is φ = 543616169472.

The previous prime is 1025124040147. The next prime is 1025124040181. The reversal of 1025124040155 is 5510404215201.

It is not a de Polignac number, because 1025124040155 - 2³ = 1025124040147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32335722 + ... + 32367408.

It is an arithmetic number, because the mean of its divisors is an integer number (51548454000).

Almost surely, 2^{1025124040155} is an apocalyptic number.

1025124040155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025124040155 is a deficient number, since it is larger than the sum of its proper divisors (624426487845).

1025124040155 is a wasteful number, since it uses less digits than its factorization.

1025124040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43923.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 1025124040155 its reverse (5510404215201), we get a palindrome (6535528255356).

The spelling of 1025124040155 in words is "one trillion, twenty-five billion, one hundred twenty-four million, forty thousand, one hundred fifty-five".