1361640045051 has 192 divisors, whose sum is σ = 2519344988160. Its totient is φ = 695990880000.

The previous prime is 1361640045041. The next prime is 1361640045107. The reversal of 1361640045051 is 1505400461631.

1361640045051 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 640 + 0 + 4 + 5 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 1361640045051 - 2¹¹ = 1361640043003 is a prime.

It is a super-2 number, since 2×1361640045051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1361640044997 and 1361640045015.

It is not an unprimeable number, because it can be changed into a prime (1361640045041) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 232716276 + ... + 232722126.

It is an arithmetic number, because the mean of its divisors is an integer number (13121588480).

Almost surely, 2^{1361640045051} is an apocalyptic number.

1361640045051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1361640045051 is a deficient number, since it is larger than the sum of its proper divisors (1157704943109).

1361640045051 is a wasteful number, since it uses less digits than its factorization.

1361640045051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 6235 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 1361640045051 in words is "one trillion, three hundred sixty-one billion, six hundred forty million, forty-five thousand, fifty-one".