1512342341551 has 4 divisors (see below), whose sum is σ = 1512520000992. Its totient is φ = 1512164682112.

The previous prime is 1512342341507. The next prime is 1512342341557. The reversal of 1512342341551 is 1551432432151.

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 1512342341551 - 2¹⁷ = 1512342210479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1512342341551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512342341557) 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, 88816951 + ... + 88833976.

It is an arithmetic number, because the mean of its divisors is an integer number (378130000248).

Almost surely, 2^{1512342341551} is an apocalyptic number.

1512342341551 is a deficient number, since it is larger than the sum of its proper divisors (177659441).

1512342341551 is an equidigital number, since it uses as much as digits as its factorization.

1512342341551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177659440.

The product of its digits is 72000, while the sum is 37.

The spelling of 1512342341551 in words is "one trillion, five hundred twelve billion, three hundred forty-two million, three hundred forty-one thousand, five hundred fifty-one".