1501201013240 has 64 divisors (see below), whose sum is σ = 3411311349600. Its totient is φ = 594513934848.

The previous prime is 1501201013237. The next prime is 1501201013243. The reversal of 1501201013240 is 423101021051.

It is an interprime number because it is at equal distance from previous prime (1501201013237) and next prime (1501201013243).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501201013243) 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, 5566802 + ... + 5830238.

Almost surely, 2^{1501201013240} is an apocalyptic number.

1501201013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501201013240 is an abundant number, since it is smaller than the sum of its proper divisors (1910110336360).

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

1501201013240 is a wasteful number, since it uses less digits than its factorization.

1501201013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264864 (or 264860 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1501201013240 its reverse (423101021051), we get a palindrome (1924302034291).

The spelling of 1501201013240 in words is "one trillion, five hundred one billion, two hundred one million, thirteen thousand, two hundred forty".