1361426666051 has 8 divisors (see below), whose sum is σ = 1393683445440. Its totient is φ = 1329196963752.

The previous prime is 1361426666029. The next prime is 1361426666053. The reversal of 1361426666051 is 1506666241631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361426666051 - 2¹⁸ = 1361426403907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361426665987 and 1361426666005.

It is not an unprimeable number, because it can be changed into a prime (1361426666053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6667505 + ... + 6868658.

It is an arithmetic number, because the mean of its divisors is an integer number (174210430680).

Almost surely, 2^{1361426666051} is an apocalyptic number.

1361426666051 is a deficient number, since it is larger than the sum of its proper divisors (32256779389).

1361426666051 is a wasteful number, since it uses less digits than its factorization.

1361426666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538545.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 1361426666051 in words is "one trillion, three hundred sixty-one billion, four hundred twenty-six million, six hundred sixty-six thousand, fifty-one".