15101421040 has 20 divisors (see below), whose sum is σ = 35110804104. Its totient is φ = 6040568384.

The previous prime is 15101421017. The next prime is 15101421047. The reversal of 15101421040 is 4012410151.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 15101420999 and 15101421017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15101421047) 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, 94383802 + ... + 94383961.

Almost surely, 2^15101421040 is an apocalyptic number.

15101421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15101421040 is an abundant number, since it is smaller than the sum of its proper divisors (20009383064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15101421040 is a wasteful number, since it uses less digits than its factorization.

15101421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188767776 (or 188767770 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 15101421040 its reverse (4012410151), we get a palindrome (19113831191).

The spelling of 15101421040 in words is "fifteen billion, one hundred one million, four hundred twenty-one thousand, forty".