10997177604 has 144 divisors (see below), whose sum is σ = 30695293440. Its totient is φ = 3053621760.

The previous prime is 10997177591. The next prime is 10997177663. The reversal of 10997177604 is 40677179901.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7641517 + ... + 7642955.

It is an arithmetic number, because the mean of its divisors is an integer number (213161760).

Almost surely, 2^10997177604 is an apocalyptic number.

10997177604 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 10997177604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15347646720).

10997177604 is an abundant number, since it is smaller than the sum of its proper divisors (19698115836).

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

10997177604 is a wasteful number, since it uses less digits than its factorization.

10997177604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 51.

The spelling of 10997177604 in words is "ten billion, nine hundred ninety-seven million, one hundred seventy-seven thousand, six hundred four".