1451012525540 has 24 divisors (see below), whose sum is σ = 3048428036472. Its totient is φ = 580157061120.

The previous prime is 1451012525539. The next prime is 1451012525551. The reversal of 1451012525540 is 455252101541.

It can be written as a sum of positive squares in 4 ways, for example, as 197270999104 + 1253741526436 = 444152^2 + 1119706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1451012525540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15448829 + ... + 15542468.

It is an arithmetic number, because the mean of its divisors is an integer number (127017834853).

Almost surely, 2^{1451012525540} is an apocalyptic number.

1451012525540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451012525540 is an abundant number, since it is smaller than the sum of its proper divisors (1597415510932).

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

1451012525540 is a wasteful number, since it uses less digits than its factorization.

1451012525540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30993647 (or 30993645 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 1451012525540 in words is "one trillion, four hundred fifty-one billion, twelve million, five hundred twenty-five thousand, five hundred forty".