1451465631156 has 12 divisors (see below), whose sum is σ = 3386753139392. Its totient is φ = 483821877048.

The previous prime is 1451465631127. The next prime is 1451465631157. The reversal of 1451465631156 is 6511365641541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451465631157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60477734620 + ... + 60477734643.

Almost surely, 2^{1451465631156} is an apocalyptic number.

It is an amenable number.

1451465631156 is an abundant number, since it is smaller than the sum of its proper divisors (1935287508236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451465631156 is a wasteful number, since it uses less digits than its factorization.

1451465631156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120955469270 (or 120955469268 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 1451465631156 in words is "one trillion, four hundred fifty-one billion, four hundred sixty-five million, six hundred thirty-one thousand, one hundred fifty-six".