1211011319896 has 16 divisors (see below), whose sum is σ = 2595024257040. Its totient is φ = 519004851360.

The previous prime is 1211011319887. The next prime is 1211011319927. The reversal of 1211011319896 is 6989131101121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10812601015 + ... + 10812601126.

It is an arithmetic number, because the mean of its divisors is an integer number (162189016065).

Almost surely, 2^{1211011319896} is an apocalyptic number.

It is an amenable number.

1211011319896 is an abundant number, since it is smaller than the sum of its proper divisors (1384012937144).

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

1211011319896 is a wasteful number, since it uses less digits than its factorization.

1211011319896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21625202154 (or 21625202150 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 1211011319896 in words is "one trillion, two hundred eleven billion, eleven million, three hundred nineteen thousand, eight hundred ninety-six".