1505145135131 has 4 divisors (see below), whose sum is σ = 1641976511064. Its totient is φ = 1368313759200.

The previous prime is 1505145135101. The next prime is 1505145135167. The reversal of 1505145135131 is 1315315415051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1505145135131 - 2³⁴ = 1487965265947 is a prime.

It is a super-2 number, since 2×1505145135131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1505145135091 and 1505145135100.

It is not an unprimeable number, because it can be changed into a prime (1505145135101) 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, 68415687950 + ... + 68415687971.

It is an arithmetic number, because the mean of its divisors is an integer number (410494127766).

Almost surely, 2^{1505145135131} is an apocalyptic number.

1505145135131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1505145135131 is a deficient number, since it is larger than the sum of its proper divisors (136831375933).

1505145135131 is a wasteful number, since it uses less digits than its factorization.

1505145135131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136831375932.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1505145135131 in words is "one trillion, five hundred five billion, one hundred forty-five million, one hundred thirty-five thousand, one hundred thirty-one".