3261203828451 has 12 divisors (see below), whose sum is σ = 4714276589880. Its totient is φ = 2172451806720.

The previous prime is 3261203828447. The next prime is 3261203828461. The reversal of 3261203828451 is 1548283021623.

3261203828451 is a `hidden beast` number, since 3 + 2 + 612 + 0 + 3 + 8 + 28 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 3261203828451 - 2² = 3261203828447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3261203828397 and 3261203828406.

It is not an unprimeable number, because it can be changed into a prime (3261203828461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140327646 + ... + 140350883.

It is an arithmetic number, because the mean of its divisors is an integer number (392856382490).

Almost surely, 2^{3261203828451} is an apocalyptic number.

3261203828451 is a deficient number, since it is larger than the sum of its proper divisors (1453072761429).

3261203828451 is a wasteful number, since it uses less digits than its factorization.

3261203828451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280679826 (or 280679823 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 3261203828451 in words is "three trillion, two hundred sixty-one billion, two hundred three million, eight hundred twenty-eight thousand, four hundred fifty-one".