1545236426131 has 2 divisors, whose sum is σ = 1545236426132. Its totient is φ = 1545236426130.

The previous prime is 1545236426101. The next prime is 1545236426141. The reversal of 1545236426131 is 1316246325451.

It is a strong prime.

It is an emirp because it is prime and its reverse (1316246325451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1545236426131 - 2⁷ = 1545236426003 is a prime.

It is a super-2 number, since 2×1545236426131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1545236426101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772618213065 + 772618213066.

It is an arithmetic number, because the mean of its divisors is an integer number (772618213066).

Almost surely, 2^{1545236426131} is an apocalyptic number.

1545236426131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545236426131 is an equidigital number, since it uses as much as digits as its factorization.

1545236426131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The spelling of 1545236426131 in words is "one trillion, five hundred forty-five billion, two hundred thirty-six million, four hundred twenty-six thousand, one hundred thirty-one".