3551470471881 has 16 divisors (see below), whose sum is σ = 5490195899520. Its totient is φ = 2264705807760.

The previous prime is 3551470471859. The next prime is 3551470471897. The reversal of 3551470471881 is 1881740741553.

It is a happy number.

3551470471881 is a `hidden beast` number, since 3 + 5 + 51 + 47 + 0 + 471 + 8 + 81 = 666.

3551470471881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3551470471881 - 2¹⁴ = 3551470455497 is a prime.

It is a super-2 number, since 2×3551470471881² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3551470479881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859476410 + ... + 2859477651.

It is an arithmetic number, because the mean of its divisors is an integer number (343137243720).

Almost surely, 2^{3551470471881} is an apocalyptic number.

It is an amenable number.

3551470471881 is a deficient number, since it is larger than the sum of its proper divisors (1938725427639).

3551470471881 is a wasteful number, since it uses less digits than its factorization.

3551470471881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718954093 (or 5718954087 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 3551470471881 in words is "three trillion, five hundred fifty-one billion, four hundred seventy million, four hundred seventy-one thousand, eight hundred eighty-one".