13550326228461 has 16 divisors (see below), whose sum is σ = 19712857771008. Its totient is φ = 8210947114800.

The previous prime is 13550326228427. The next prime is 13550326228469. The reversal of 13550326228461 is 16482262305531.

It is not a de Polignac number, because 13550326228461 - 2³¹ = 13548178744813 is a prime.

It is a super-2 number, since 2×13550326228461² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13550326228461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550326228469) 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, 34094725 + ... + 34489866.

It is an arithmetic number, because the mean of its divisors is an integer number (1232053610688).

Almost surely, 2^{13550326228461} is an apocalyptic number.

13550326228461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13550326228461 is a deficient number, since it is larger than the sum of its proper divisors (6162531542547).

13550326228461 is a wasteful number, since it uses less digits than its factorization.

13550326228461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68590592.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 13550326228461 in words is "thirteen trillion, five hundred fifty billion, three hundred twenty-six million, two hundred twenty-eight thousand, four hundred sixty-one".