1025625531255 has 64 divisors (see below), whose sum is σ = 1789181678592. Its totient is φ = 498683566080.

The previous prime is 1025625531233. The next prime is 1025625531257. The reversal of 1025625531255 is 5521355265201.

It is not a de Polignac number, because 1025625531255 - 2¹¹ = 1025625529207 is a prime.

It is a super-3 number, since 3×1025625531255³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025625531257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6153670 + ... + 6318140.

It is an arithmetic number, because the mean of its divisors is an integer number (27955963728).

Almost surely, 2^{1025625531255} is an apocalyptic number.

1025625531255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025625531255 is a deficient number, since it is larger than the sum of its proper divisors (763556147337).

1025625531255 is a wasteful number, since it uses less digits than its factorization.

1025625531255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164888.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 1025625531255 in words is "one trillion, twenty-five billion, six hundred twenty-five million, five hundred thirty-one thousand, two hundred fifty-five".