1111071997476 has 81 divisors (see below), whose sum is σ = 3267210937809. Its totient is φ = 317436493248.

The previous prime is 1111071997439. The next prime is 1111071997571. The reversal of 1111071997476 is 6747991701111.

The square root of 1111071997476 is 1054074.

It is a perfect power (a square), and thus also a powerful number.

1111071997476 is a `hidden beast` number, since 1 + 1 + 1 + 10 + 71 + 9 + 97 + 476 = 666.

It can be written as a sum of positive squares in only one way, i.e., 323635832100 + 787436165376 = 568890^2 + 887376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44258560 + ... + 44283656.

Almost surely, 2^{1111071997476} is an apocalyptic number.

1111071997476 is the 1054074-th square number.

It is an amenable number.

1111071997476 is an abundant number, since it is smaller than the sum of its proper divisors (2156138940333).

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

1111071997476 is an frugal number, since it uses more digits than its factorization.

1111071997476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50218 (or 25109 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 54.

The spelling of 1111071997476 in words is "one trillion, one hundred eleven billion, seventy-one million, nine hundred ninety-seven thousand, four hundred seventy-six".