1541397083779 has 16 divisors (see below), whose sum is σ = 1774242705600. Its totient is φ = 1311721205760.

The previous prime is 1541397083729. The next prime is 1541397083851. The reversal of 1541397083779 is 9773807931451.

It is not a de Polignac number, because 1541397083779 - 2¹⁵ = 1541397051011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1541397083779.

It is not an unprimeable number, because it can be changed into a prime (1541397083729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911987 + ... + 2595859.

It is an arithmetic number, because the mean of its divisors is an integer number (110890169100).

Almost surely, 2^{1541397083779} is an apocalyptic number.

1541397083779 is a deficient number, since it is larger than the sum of its proper divisors (232845621821).

1541397083779 is a wasteful number, since it uses less digits than its factorization.

1541397083779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686190.

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 1541397083779 in words is "one trillion, five hundred forty-one billion, three hundred ninety-seven million, eighty-three thousand, seven hundred seventy-nine".