1361201764524 has 48 divisors (see below), whose sum is σ = 3642697836288. Its totient is φ = 387540525888.

The previous prime is 1361201764487. The next prime is 1361201764529. The reversal of 1361201764524 is 4254671021631.

It is a super-2 number, since 2×1361201764524² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1361201764529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28606587 + ... + 28654130.

It is an arithmetic number, because the mean of its divisors is an integer number (75889538256).

Almost surely, 2^{1361201764524} is an apocalyptic number.

1361201764524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1361201764524 is an abundant number, since it is smaller than the sum of its proper divisors (2281496071764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361201764524 is a wasteful number, since it uses less digits than its factorization.

1361201764524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57261014 (or 57261012 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 1361201764524 in words is "one trillion, three hundred sixty-one billion, two hundred one million, seven hundred sixty-four thousand, five hundred twenty-four".