103511505342 has 128 divisors (see below), whose sum is σ = 245788139520. Its totient is φ = 28448962560.

The previous prime is 103511505329. The next prime is 103511505403. The reversal of 103511505342 is 243505115301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41855418 + ... + 41857890.

It is an arithmetic number, because the mean of its divisors is an integer number (1920219840).

Almost surely, 2^103511505342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103511505342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122894069760).

103511505342 is an abundant number, since it is smaller than the sum of its proper divisors (142276634178).

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

103511505342 is a wasteful number, since it uses less digits than its factorization.

103511505342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 103511505342 in words is "one hundred three billion, five hundred eleven million, five hundred five thousand, three hundred forty-two".