11415013997 has 8 divisors (see below), whose sum is σ = 11605756440. Its totient is φ = 11224388160.

The previous prime is 11415013949. The next prime is 11415014003. The reversal of 11415013997 is 79931051411.

It can be written as a sum of positive squares in 4 ways, for example, as 419184676 + 10995829321 = 20474^2 + 104861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11415013997 - 2¹² = 11415009901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415013927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180779 + ... + 235607.

It is an arithmetic number, because the mean of its divisors is an integer number (1450719555).

Almost surely, 2^11415013997 is an apocalyptic number.

It is an amenable number.

11415013997 is a deficient number, since it is larger than the sum of its proper divisors (190742443).

11415013997 is an equidigital number, since it uses as much as digits as its factorization.

11415013997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58303.

The product of its (nonzero) digits is 34020, while the sum is 41.

The spelling of 11415013997 in words is "eleven billion, four hundred fifteen million, thirteen thousand, nine hundred ninety-seven".