1361540052501 has 32 divisors (see below), whose sum is σ = 1901600243712. Its totient is φ = 864893631360.

The previous prime is 1361540052413. The next prime is 1361540052571. The reversal of 1361540052501 is 1052500451631.

It is not a de Polignac number, because 1361540052501 - 2¹³ = 1361540044309 is a prime.

It is a super-3 number, since 3×1361540052501³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361540052571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35667241 + ... + 35705393.

It is an arithmetic number, because the mean of its divisors is an integer number (59425007616).

Almost surely, 2^{1361540052501} is an apocalyptic number.

It is an amenable number.

1361540052501 is a deficient number, since it is larger than the sum of its proper divisors (540060191211).

1361540052501 is a wasteful number, since it uses less digits than its factorization.

1361540052501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40153.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1361540052501 in words is "one trillion, three hundred sixty-one billion, five hundred forty million, fifty-two thousand, five hundred one".