15541534061 has 8 divisors (see below), whose sum is σ = 15634930080. Its totient is φ = 15448179312.

The previous prime is 15541534051. The next prime is 15541534081. The reversal of 15541534061 is 16043514551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15541534061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15541534031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096526 + ... + 1110608.

It is an arithmetic number, because the mean of its divisors is an integer number (1954366260).

Almost surely, 2^15541534061 is an apocalyptic number.

It is an amenable number.

15541534061 is a deficient number, since it is larger than the sum of its proper divisors (93396019).

15541534061 is a wasteful number, since it uses less digits than its factorization.

15541534061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20635.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 15541534061 in words is "fifteen billion, five hundred forty-one million, five hundred thirty-four thousand, sixty-one".