1345102504251 has 16 divisors (see below), whose sum is σ = 1956820039680. Its totient is φ = 815085594720.

The previous prime is 1345102504243. The next prime is 1345102504259. The reversal of 1345102504251 is 1524052015431.

It is an interprime number because it is at equal distance from previous prime (1345102504243) and next prime (1345102504259).

It is not a de Polignac number, because 1345102504251 - 2³ = 1345102504243 is a prime.

It is a super-2 number, since 2×1345102504251² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1345102504259) 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, 2987611 + ... + 3408228.

It is an arithmetic number, because the mean of its divisors is an integer number (122301252480).

Almost surely, 2^{1345102504251} is an apocalyptic number.

1345102504251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345102504251 is a deficient number, since it is larger than the sum of its proper divisors (611717535429).

1345102504251 is a wasteful number, since it uses less digits than its factorization.

1345102504251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402226.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1345102504251 its reverse (1524052015431), we get a palindrome (2869154519682).

The spelling of 1345102504251 in words is "one trillion, three hundred forty-five billion, one hundred two million, five hundred four thousand, two hundred fifty-one".