15513402345142 has 16 divisors (see below), whose sum is σ = 26534235686112. Its totient is φ = 6738853507200.

The previous prime is 15513402345139. The next prime is 15513402345143. The reversal of 15513402345142 is 24154320431551.

It is a junction number, because it is equal to n+sod(n) for n = 15513402345095 and 15513402345104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15513402345143) 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, 17549097234 + ... + 17549098117.

It is an arithmetic number, because the mean of its divisors is an integer number (1658389730382).

Almost surely, 2^{15513402345142} is an apocalyptic number.

15513402345142 is a deficient number, since it is larger than the sum of its proper divisors (11020833340970).

15513402345142 is a wasteful number, since it uses less digits than its factorization.

15513402345142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35098195383.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 15513402345142 its reverse (24154320431551), we get a palindrome (39667722776693).

The spelling of 15513402345142 in words is "fifteen trillion, five hundred thirteen billion, four hundred two million, three hundred forty-five thousand, one hundred forty-two".