1561411014 has 32 divisors (see below), whose sum is σ = 3176655360. Its totient is φ = 511533792.

The previous prime is 1561411009. The next prime is 1561411021. The reversal of 1561411014 is 4101141651.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181932 + ... + 190320.

It is an arithmetic number, because the mean of its divisors is an integer number (99270480).

Almost surely, 2^1561411014 is an apocalyptic number.

1561411014 is an abundant number, since it is smaller than the sum of its proper divisors (1615244346).

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

1561411014 is a wasteful number, since it uses less digits than its factorization.

1561411014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1561411014 is about 39514.6936467942. The cubic root of 1561411014 is about 1160.1275657372.

Adding to 1561411014 its reverse (4101141651), we get a palindrome (5662552665).

The spelling of 1561411014 in words is "one billion, five hundred sixty-one million, four hundred eleven thousand, fourteen".