1078451502271 has 32 divisors (see below), whose sum is σ = 1346364790848. Its totient is φ = 848683837440.

The previous prime is 1078451502217. The next prime is 1078451502287. The reversal of 1078451502271 is 1722051548701.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1078451502271 - 2¹³ = 1078451494079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1778451502271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127380 + ... + 1474153.

It is an arithmetic number, because the mean of its divisors is an integer number (42073899714).

Almost surely, 2^{1078451502271} is an apocalyptic number.

1078451502271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1078451502271 is a deficient number, since it is larger than the sum of its proper divisors (267913288577).

1078451502271 is a wasteful number, since it uses less digits than its factorization.

1078451502271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601851.

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 1078451502271 in words is "one trillion, seventy-eight billion, four hundred fifty-one million, five hundred two thousand, two hundred seventy-one".