15042541550 has 12 divisors (see below), whose sum is σ = 27979127376. Its totient is φ = 6017016600.

The previous prime is 15042541523. The next prime is 15042541559. The reversal of 15042541550 is 5514524051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042541559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150425366 + ... + 150425465.

It is an arithmetic number, because the mean of its divisors is an integer number (2331593948).

Almost surely, 2^15042541550 is an apocalyptic number.

15042541550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15042541550 is a deficient number, since it is larger than the sum of its proper divisors (12936585826).

15042541550 is a wasteful number, since it uses less digits than its factorization.

15042541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300850843 (or 300850838 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 15042541550 in words is "fifteen billion, forty-two million, five hundred forty-one thousand, five hundred fifty".