1541561412 has 48 divisors (see below), whose sum is σ = 3638198592. Its totient is φ = 507985920.

The previous prime is 1541561383. The next prime is 1541561449. The reversal of 1541561412 is 2141651451.

It is a self number, because there is not a number n which added to its sum of digits gives 1541561412.

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, 822108 + ... + 823980.

It is an arithmetic number, because the mean of its divisors is an integer number (75795804).

Almost surely, 2^1541561412 is an apocalyptic number.

1541561412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1541561412 is an abundant number, since it is smaller than the sum of its proper divisors (2096637180).

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

1541561412 is a wasteful number, since it uses less digits than its factorization.

1541561412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1541561412 is about 39262.7229315543. The cubic root of 1541561412 is about 1155.1905039866.

The spelling of 1541561412 in words is "one billion, five hundred forty-one million, five hundred sixty-one thousand, four hundred twelve".