11948142815 has 8 divisors (see below), whose sum is σ = 16386024480. Its totient is φ = 8193012192.

The previous prime is 11948142809. The next prime is 11948142847. The reversal of 11948142815 is 51824184911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11948142815 - 2¹⁸ = 11947880671 is a prime.

It is a super-2 number, since 2×11948142815² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170687720 + ... + 170687789.

It is an arithmetic number, because the mean of its divisors is an integer number (2048253060).

Almost surely, 2^11948142815 is an apocalyptic number.

11948142815 is a deficient number, since it is larger than the sum of its proper divisors (4437881665).

11948142815 is an equidigital number, since it uses as much as digits as its factorization.

11948142815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341375521.

The product of its digits is 92160, while the sum is 44.

The spelling of 11948142815 in words is "eleven billion, nine hundred forty-eight million, one hundred forty-two thousand, eight hundred fifteen".