1371150521671 has 16 divisors (see below), whose sum is σ = 1572572851200. Its totient is φ = 1171119945888.

The previous prime is 1371150521603. The next prime is 1371150521677. The reversal of 1371150521671 is 1761250511731.

It is a cyclic number.

It is not a de Polignac number, because 1371150521671 - 2²³ = 1371142133063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371150521677) 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, 2586876 + ... + 3071518.

It is an arithmetic number, because the mean of its divisors is an integer number (98285803200).

Almost surely, 2^{1371150521671} is an apocalyptic number.

1371150521671 is a deficient number, since it is larger than the sum of its proper divisors (201422329529).

1371150521671 is a wasteful number, since it uses less digits than its factorization.

1371150521671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486078.

The product of its (nonzero) digits is 44100, while the sum is 40.

The spelling of 1371150521671 in words is "one trillion, three hundred seventy-one billion, one hundred fifty million, five hundred twenty-one thousand, six hundred seventy-one".