15241211061 has 4 divisors (see below), whose sum is σ = 20321614752. Its totient is φ = 10160807372.

The previous prime is 15241211053. The next prime is 15241211071. The reversal of 15241211061 is 16011214251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15241211061 - 2³ = 15241211053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15241211021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540201841 + ... + 2540201846.

It is an arithmetic number, because the mean of its divisors is an integer number (5080403688).

Almost surely, 2^15241211061 is an apocalyptic number.

It is an amenable number.

15241211061 is a deficient number, since it is larger than the sum of its proper divisors (5080403691).

15241211061 is an equidigital number, since it uses as much as digits as its factorization.

15241211061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080403690.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 15241211061 in words is "fifteen billion, two hundred forty-one million, two hundred eleven thousand, sixty-one".