3561032215251 has 96 divisors (see below), whose sum is σ = 6138326862720. Its totient is φ = 1946281881600.

The previous prime is 3561032215241. The next prime is 3561032215261. The reversal of 3561032215251 is 1525122301653.

3561032215251 is a `hidden beast` number, since 3 + 5 + 6 + 103 + 2 + 21 + 525 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3561032215241) and next prime (3561032215261).

It is not a de Polignac number, because 3561032215251 - 2⁷ = 3561032215123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3561032215201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 541104781 + ... + 541111361.

It is an arithmetic number, because the mean of its divisors is an integer number (63940904820).

Almost surely, 2^{3561032215251} is an apocalyptic number.

3561032215251 is a deficient number, since it is larger than the sum of its proper divisors (2577294647469).

3561032215251 is a wasteful number, since it uses less digits than its factorization.

3561032215251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9354 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 3561032215251 in words is "three trillion, five hundred sixty-one billion, thirty-two million, two hundred fifteen thousand, two hundred fifty-one".