671054023732251 has 16 divisors (see below), whose sum is σ = 915709397732096. Its totient is φ = 436887699960096.

The previous prime is 671054023732201. The next prime is 671054023732277. The reversal of 671054023732251 is 152237320450176.

It is not a de Polignac number, because 671054023732251 - 2⁶ = 671054023732187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671054023732251.

It is not an unprimeable number, because it can be changed into a prime (671054023732201) 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, 461836360 + ... + 463287093.

It is an arithmetic number, because the mean of its divisors is an integer number (57231837358256).

Almost surely, 2^{671054023732251} is an apocalyptic number.

671054023732251 is a deficient number, since it is larger than the sum of its proper divisors (244655373999845).

671054023732251 is a wasteful number, since it uses less digits than its factorization.

671054023732251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925129122.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 671054023732251 in words is "six hundred seventy-one trillion, fifty-four billion, twenty-three million, seven hundred thirty-two thousand, two hundred fifty-one".