1401515531012 has 24 divisors (see below), whose sum is σ = 2482541840856. Its totient is φ = 692269463808.

The previous prime is 1401515530999. The next prime is 1401515531027. The reversal of 1401515531012 is 2101355151041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42463196356 + 1359052334656 = 206066^2 + 1165784^2 .

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, 6341393 + ... + 6558680.

It is an arithmetic number, because the mean of its divisors is an integer number (103439243369).

Almost surely, 2^{1401515531012} is an apocalyptic number.

It is an amenable number.

1401515531012 is a deficient number, since it is larger than the sum of its proper divisors (1081026309844).

1401515531012 is a wasteful number, since it uses less digits than its factorization.

1401515531012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900407 (or 12900405 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 1401515531012 in words is "one trillion, four hundred one billion, five hundred fifteen million, five hundred thirty-one thousand, twelve".