11297651904 has 840 divisors, whose sum is σ = 43950111744. Its totient is φ = 2805580800.

The previous prime is 11297651899. The next prime is 11297651909. The reversal of 11297651904 is 40915679211.

11297651904 is a `hidden beast` number, since 1 + 129 + 7 + 6 + 519 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11297651899) and next prime (11297651909).

It is a self number, because there is not a number n which added to its sum of digits gives 11297651904.

It is not an unprimeable number, because it can be changed into a prime (11297651909) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 136116247 + ... + 136116329.

Almost surely, 2^11297651904 is an apocalyptic number.

11297651904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11297651904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21975055872).

11297651904 is an abundant number, since it is smaller than the sum of its proper divisors (32652459840).

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

11297651904 is a wasteful number, since it uses less digits than its factorization.

11297651904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 11297651904 in words is "eleven billion, two hundred ninety-seven million, six hundred fifty-one thousand, nine hundred four".