1011097986492 has 48 divisors (see below), whose sum is σ = 2573898227712. Its totient is φ = 306370202880.

The previous prime is 1011097986463. The next prime is 1011097986539. The reversal of 1011097986492 is 2946897901101.

It is a super-2 number, since 2×1011097986492² (a number of 25 digits) contains 22 as substring.

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, 1508548 + ... + 2073140.

It is an arithmetic number, because the mean of its divisors is an integer number (53622879744).

Almost surely, 2^{1011097986492} is an apocalyptic number.

1011097986492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011097986492 is an abundant number, since it is smaller than the sum of its proper divisors (1562800241220).

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

1011097986492 is a wasteful number, since it uses less digits than its factorization.

1011097986492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578178 (or 578176 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 1011097986492 in words is "one trillion, eleven billion, ninety-seven million, nine hundred eighty-six thousand, four hundred ninety-two".