1361490911 has 12 divisors (see below), whose sum is σ = 1561583856. Its totient is φ = 1183902720.

The previous prime is 1361490899. The next prime is 1361490913. The reversal of 1361490911 is 1190941631.

It is a de Polignac number, because none of the positive numbers 2^k-1361490911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361490913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241826 + ... + 247391.

It is an arithmetic number, because the mean of its divisors is an integer number (130131988).

Almost surely, 2^1361490911 is an apocalyptic number.

1361490911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1361490911 is a deficient number, since it is larger than the sum of its proper divisors (200092945).

1361490911 is a wasteful number, since it uses less digits than its factorization.

1361490911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489262 (or 489251 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1361490911 is about 36898.3862926280. The cubic root of 1361490911 is about 1108.3363631754.

The spelling of 1361490911 in words is "one billion, three hundred sixty-one million, four hundred ninety thousand, nine hundred eleven".