1361253672010 has 16 divisors (see below), whose sum is σ = 2450274228072. Its totient is φ = 544497553600.

The previous prime is 1361253672001. The next prime is 1361253672011. The reversal of 1361253672010 is 102763521631.

It can be written as a sum of positive squares in 4 ways, for example, as 1286643295809 + 74610376201 = 1134303^2 + 273149^2 .

It is not an unprimeable number, because it can be changed into a prime (1361253672011) 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, 1273140 + ... + 2084080.

Almost surely, 2^{1361253672010} is an apocalyptic number.

1361253672010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361253672010 is a deficient number, since it is larger than the sum of its proper divisors (1089020556062).

1361253672010 is a wasteful number, since it uses less digits than its factorization.

1361253672010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978809.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 1361253672010 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-three million, six hundred seventy-two thousand, ten".