1015502650042 has 4 divisors (see below), whose sum is σ = 1523253975066. Its totient is φ = 507751325020.

The previous prime is 1015502650037. The next prime is 1015502650067. The reversal of 1015502650042 is 2400562055101.

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

It can be written as a sum of positive squares in only one way, i.e., 988415744481 + 27086905561 = 994191^2 + 164581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1015502649986 and 1015502650013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253875662509 + ... + 253875662512.

Almost surely, 2^{1015502650042} is an apocalyptic number.

1015502650042 is a deficient number, since it is larger than the sum of its proper divisors (507751325024).

1015502650042 is an equidigital number, since it uses as much as digits as its factorization.

1015502650042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507751325023.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1015502650042 in words is "one trillion, fifteen billion, five hundred two million, six hundred fifty thousand, forty-two".