11097645015 has 24 divisors (see below), whose sum is σ = 18561821040. Its totient is φ = 5661403264.

The previous prime is 11097645007. The next prime is 11097645017. The reversal of 11097645015 is 51054679011.

It is not a de Polignac number, because 11097645015 - 2³ = 11097645007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097645017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691350 + ... + 707219.

It is an arithmetic number, because the mean of its divisors is an integer number (773409210).

Almost surely, 2^11097645015 is an apocalyptic number.

11097645015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11097645015 is a deficient number, since it is larger than the sum of its proper divisors (7464176025).

11097645015 is a wasteful number, since it uses less digits than its factorization.

11097645015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398623 (or 1398600 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 11097645015 in words is "eleven billion, ninety-seven million, six hundred forty-five thousand, fifteen".