1911977301148 has 48 divisors (see below), whose sum is σ = 3550598392320. Its totient is φ = 898983543744.

The previous prime is 1911977301131. The next prime is 1911977301191. The reversal of 1911977301148 is 8411037791191.

It is a junction number, because it is equal to n+sod(n) for n = 1911977301095 and 1911977301104.

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, 2792158 + ... + 3408826.

It is an arithmetic number, because the mean of its divisors is an integer number (73970799840).

Almost surely, 2^{1911977301148} is an apocalyptic number.

It is an amenable number.

1911977301148 is a deficient number, since it is larger than the sum of its proper divisors (1638621091172).

1911977301148 is a wasteful number, since it uses less digits than its factorization.

1911977301148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617266 (or 617264 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 52.

The spelling of 1911977301148 in words is "one trillion, nine hundred eleven billion, nine hundred seventy-seven million, three hundred one thousand, one hundred forty-eight".