11481511746 has 32 divisors (see below), whose sum is σ = 23363470080. Its totient is φ = 3760492176.

The previous prime is 11481511631. The next prime is 11481511763. The reversal of 11481511746 is 64711518411.

It is a super-2 number, since 2×11481511746² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866745 + ... + 879891.

It is an arithmetic number, because the mean of its divisors is an integer number (730108440).

Almost surely, 2^11481511746 is an apocalyptic number.

11481511746 is an abundant number, since it is smaller than the sum of its proper divisors (11881958334).

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

11481511746 is a wasteful number, since it uses less digits than its factorization.

11481511746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678.

The product of its digits is 26880, while the sum is 39.

The spelling of 11481511746 in words is "eleven billion, four hundred eighty-one million, five hundred eleven thousand, seven hundred forty-six".