1331225502501 has 16 divisors (see below), whose sum is σ = 1775968483968. Its totient is φ = 886983240000.

The previous prime is 1331225502499. The next prime is 1331225502553. The reversal of 1331225502501 is 1052055221331.

It is not a de Polignac number, because 1331225502501 - 2¹ = 1331225502499 is a prime.

It is a super-2 number, since 2×1331225502501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331225502601) 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, 47630191 + ... + 47658131.

It is an arithmetic number, because the mean of its divisors is an integer number (110998030248).

Almost surely, 2^{1331225502501} is an apocalyptic number.

It is an amenable number.

1331225502501 is a deficient number, since it is larger than the sum of its proper divisors (444742981467).

1331225502501 is a wasteful number, since it uses less digits than its factorization.

1331225502501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36332.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 1331225502501 in words is "one trillion, three hundred thirty-one billion, two hundred twenty-five million, five hundred two thousand, five hundred one".