11101956747 has 32 divisors (see below), whose sum is σ = 18382110720. Its totient is φ = 5816201760.

The previous prime is 11101956737. The next prime is 11101956787. The reversal of 11101956747 is 74765910111.

It is not a de Polignac number, because 11101956747 - 2⁶ = 11101956683 is a prime.

It is a super-2 number, since 2×11101956747² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101956699 and 11101956708.

It is not an unprimeable number, because it can be changed into a prime (11101956737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436413 + ... + 461150.

It is an arithmetic number, because the mean of its divisors is an integer number (574440960).

Almost surely, 2^11101956747 is an apocalyptic number.

11101956747 is a deficient number, since it is larger than the sum of its proper divisors (7280153973).

11101956747 is a wasteful number, since it uses less digits than its factorization.

11101956747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897623.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 11101956747 in words is "eleven billion, one hundred one million, nine hundred fifty-six thousand, seven hundred forty-seven".