1025261622260 has 12 divisors (see below), whose sum is σ = 2153049406788. Its totient is φ = 410104648896.

The previous prime is 1025261622257. The next prime is 1025261622277. The reversal of 1025261622260 is 622261625201.

It can be written as a sum of positive squares in 2 ways, for example, as 354389233636 + 670872388624 = 595306^2 + 819068^2 .

It is a super-2 number, since 2×1025261622260² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025261622260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25631540537 + ... + 25631540576.

It is an arithmetic number, because the mean of its divisors is an integer number (179420783899).

Almost surely, 2^{1025261622260} is an apocalyptic number.

1025261622260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025261622260 is an abundant number, since it is smaller than the sum of its proper divisors (1127787784528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025261622260 is a wasteful number, since it uses less digits than its factorization.

1025261622260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51263081122 (or 51263081120 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1025261622260 in words is "one trillion, twenty-five billion, two hundred sixty-one million, six hundred twenty-two thousand, two hundred sixty".