1248135923155 has 16 divisors (see below), whose sum is σ = 1639997474400. Its totient is φ = 904360725760.

The previous prime is 1248135923119. The next prime is 1248135923159. The reversal of 1248135923155 is 5513295318421.

It is not a de Polignac number, because 1248135923155 - 2¹¹ = 1248135921107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248135923099 and 1248135923108.

It is not an unprimeable number, because it can be changed into a prime (1248135923159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42166210 + ... + 42195799.

It is an arithmetic number, because the mean of its divisors is an integer number (102499842150).

Almost surely, 2^{1248135923155} is an apocalyptic number.

1248135923155 is a deficient number, since it is larger than the sum of its proper divisors (391861551245).

1248135923155 is a wasteful number, since it uses less digits than its factorization.

1248135923155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84362294.

The product of its digits is 1296000, while the sum is 49.

The spelling of 1248135923155 in words is "one trillion, two hundred forty-eight billion, one hundred thirty-five million, nine hundred twenty-three thousand, one hundred fifty-five".