4261122051256 has 16 divisors (see below), whose sum is σ = 9130975824240. Its totient is φ = 1826195164800.

The previous prime is 4261122051247. The next prime is 4261122051259. The reversal of 4261122051256 is 6521502211624.

It is a super-3 number, since 3×4261122051256³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261122051259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38045732545 + ... + 38045732656.

It is an arithmetic number, because the mean of its divisors is an integer number (570685989015).

Almost surely, 2^{4261122051256} is an apocalyptic number.

It is an amenable number.

4261122051256 is an abundant number, since it is smaller than the sum of its proper divisors (4869853772984).

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

4261122051256 is a wasteful number, since it uses less digits than its factorization.

4261122051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76091465214 (or 76091465210 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 4261122051256 in words is "four trillion, two hundred sixty-one billion, one hundred twenty-two million, fifty-one thousand, two hundred fifty-six".