15541240130 has 32 divisors (see below), whose sum is σ = 30192133104. Its totient is φ = 5725725696.

The previous prime is 15541240111. The next prime is 15541240153. The reversal of 15541240130 is 3104214551.

It can be written as a sum of positive squares in 8 ways, for example, as 6771479521 + 8769760609 = 82289^2 + 93647^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 15541240130.

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, 71387 + ... + 190206.

Almost surely, 2^15541240130 is an apocalyptic number.

15541240130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15541240130 is a deficient number, since it is larger than the sum of its proper divisors (14650892974).

15541240130 is a wasteful number, since it uses less digits than its factorization.

15541240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262070.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15541240130 its reverse (3104214551), we get a palindrome (18645454681).

The spelling of 15541240130 in words is "fifteen billion, five hundred forty-one million, two hundred forty thousand, one hundred thirty".