11012191473 has 16 divisors (see below), whose sum is σ = 16048129536. Its totient is φ = 6686718720.

The previous prime is 11012191447. The next prime is 11012191481. The reversal of 11012191473 is 37419121011.

It is not a de Polignac number, because 11012191473 - 2⁶ = 11012191409 is a prime.

It is a super-2 number, since 2×11012191473² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11012191473.

It is not an unprimeable number, because it can be changed into a prime (11012191423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3481086 + ... + 3484247.

It is an arithmetic number, because the mean of its divisors is an integer number (1003008096).

Almost surely, 2^11012191473 is an apocalyptic number.

It is an amenable number.

11012191473 is a deficient number, since it is larger than the sum of its proper divisors (5035938063).

11012191473 is a wasteful number, since it uses less digits than its factorization.

11012191473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965384.

The product of its (nonzero) digits is 1512, while the sum is 30.

The spelling of 11012191473 in words is "eleven billion, twelve million, one hundred ninety-one thousand, four hundred seventy-three".