1072235797091 has 4 divisors (see below), whose sum is σ = 1072263815784. Its totient is φ = 1072207778400.

The previous prime is 1072235797063. The next prime is 1072235797117. The reversal of 1072235797091 is 1907975322701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1072235797091 - 2²² = 1072231602787 is a prime.

It is a super-2 number, since 2×1072235797091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072235797001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13951865 + ... + 14028506.

It is an arithmetic number, because the mean of its divisors is an integer number (268065953946).

Almost surely, 2^{1072235797091} is an apocalyptic number.

1072235797091 is a deficient number, since it is larger than the sum of its proper divisors (28018693).

1072235797091 is an equidigital number, since it uses as much as digits as its factorization.

1072235797091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018692.

The product of its (nonzero) digits is 1666980, while the sum is 53.

The spelling of 1072235797091 in words is "one trillion, seventy-two billion, two hundred thirty-five million, seven hundred ninety-seven thousand, ninety-one".